{"title":"Thermal underwear","description":null,"products":[{"product_id":"thermal-underwear-for-women-long-johns-set-fleece-lined-ultra-soft-black-small","title":"Thermal Underwear for Women Long Johns Set Fleece Lined Ultra Soft Black Small","description":"\u003cp\u003eThis women’s long john thermal set features a cozy fleece lining crafted with advanced composite lamination technology. The outer fabric adopts fine knitting workmanship, paired with inner fleece to lock body heat effectively against cold weather. The material delivers ultra-soft hand feel against skin, with good elasticity to fit body curves without restricting movement. Flatlock seam processing reduces friction and prevents chafing. Ideal as a base layer for daily winter wear, commuting and outdoor activities. The solid black design is simple and versatile, easy to wear under other outfits. The fabric retains warmth after repeated washing, offering long-lasting thermal comfort for cold days.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575125739,"sku":null,"price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/41F9fx-zL9L._AC_SL1200.jpg?v=1790588376"},{"product_id":"womens-micro-waffle-premium-thermal-set","title":"womens Micro Waffle Premium Thermal Set","description":"\u003cp\u003eThis premium women thermal set is made with micro waffle knit fabric through professional jacquard weaving craft. The unique waffle texture improves air-trapping capacity to preserve body warmth while maintaining proper breathability. Fine fabric processing removes coarse fibers to achieve soft skin-friendly touch. Stretchy construction closely follows body contours without tight constraint. Flat seaming eliminates irritating raised seams. Perfect as winter base layer for daily casual wear, hiking and skiing. It can be worn alone or layered under coats and sweaters. The durable weave resists pilling, keeping texture and warmth intact after multiple washes.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575158507,"sku":null,"price":61.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/71TN4gvHx2L._AC_SL1500.jpg?v=1790588377"},{"product_id":"thermal-underwear-set-for-women-with-ultra-soft-fleece-lining","title":"Thermal underwear set for women with ultra soft fleece lining","description":"\u003cp\u003eThis women thermal underwear set is built with ultra soft fleece lining using composite bonding process. The inner fleece is tightly attached to outer knit fabric to avoid delamination, efficiently trapping heat in cold environments. Selected stretch fabric offers great flexibility for all body movements. Flatlock stitching minimizes rubbing against skin, bringing all-day comfortable wear. Suitable as base layer for daily winter life, hiking and skiing. Slim silhouette won’t create bulk under outerwear. The fabric is lightweight yet warm, maintains softness and thermal performance after repeated laundering, reliable for cold weather scenarios.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575224043,"sku":null,"price":63.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/413QmjT4OTL._AC_SL1000.jpg?v=1790588378"},{"product_id":"women-s-petite-thermal-underwear-set-fleece-lined-long-johns","title":"Women's Petite Thermal Underwear Set Fleece Lined Long Johns","description":"\u003cp\u003eThis petite women fleece lined long john thermal set adopts integrated knitting and fleece lamination craft. Thickened inner fleece locks body heat steadily for cold winter days. Elastic knit fabric fits closely without bulky feeling, designed as warm base layer. Flat seam workmanship reduces skin friction during movement. It works well for daily wear, skiing and other outdoor activities. This warm pullover apparel does not contain batteries. The outer fabric is durable and anti-pilling, fleece layer stays soft after washing. Slim cut allows easy layering under jackets, delivering consistent warmth and comfort all day long.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575256811,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/51M34ken8lL._AC_SL1500.jpg?v=1790588380"},{"product_id":"heated-sweatshirt-warmer-apparel-pullover-sweater-not-included-batteries","title":"Heated Sweatshirt Warmer Apparel Pullover Sweater(NOT Included Batteries)","description":"\u003cp\u003eThis premium women thermal union suit is woven with micro waffle fabric by jacquard knitting technology. The waffle structure traps static air to preserve body heat while boosting air permeability, avoiding overheating and stuffiness. The fabric undergoes softening treatment for gentle skin contact. Integrated one-piece construction reduces cold air penetration. Flatlock seams eliminate rough edges and chafing. Great for skiing, camping and other winter outdoor sports, also suitable for indoor home wear. High-density weaving enhances durability and anti-pilling property. The material keeps its warmth and texture after repeated washing.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575322347,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61XfzfEGfQL._AC_SL1500.jpg?v=1790588381"},{"product_id":"women-s-micro-waffle-premium-thermal-union-suit","title":"Women's Micro Waffle Premium Thermal Union Suit","description":"\u003cp\u003eThis women thermal long john set serves as reliable winter base layer, made of premium micro waffle knit fabric. Special jacquard weaving forms waffle texture to capture air and retain warmth, with ultra-soft finishing treatment for comfortable skin touch. Elastic fabric stretches freely to follow body movement. Flatlock seam craft reduces friction irritation. Designed for skiing and various cold-weather outdoor activities. Separate top and bottom design offers flexible wearing options. Dense weaving prevents pilling and deformation after washing. Lightweight and warm, it can be hidden under outerwear without adding extra bulk.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575387883,"sku":null,"price":67.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/71qRT6Oj6TL._AC_SL1500.jpg?v=1790588382"},{"product_id":"women-s-micro-waffle-premium-thermal-union-suit-2","title":"Women's Micro Waffle Premium Thermal Union Suit","description":"\u003cp\u003eThis women ski thermal set contains long sleeve top and thermal pants, available in classic black and white. Made of professional thermal knit fabric, processed with moisture-transfer finishing, it balances warmth and breathability. The fabric wicks away sweat to keep skin dry during sports. Elastic knitting ensures snug fit without limiting limb movement. Flatlock stitching avoids chafing. Optimized for skiing, hiking and winter outdoor sports, also fit daily cold weather wear. The fabric is lightweight and non-bulky, easy to layer under ski suits. Stable color fastness prevents fading after repeated washes.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575453419,"sku":null,"price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/71-ZCnjcr2L._AC_SL1500.jpg?v=1790588384"},{"product_id":"thermal-underwear-women-ultra-soft-long-johns-set-base-layer-skiing-winter-warm-top-bottom","title":"Thermal Underwear Women Ultra-Soft Long Johns Set Base Layer Skiing Winter Warm Top \u0026 Bottom","description":"\u003cp\u003eThis women fleece lined long john thermal set is crafted as cold-weather base layer. Composite bonding technology bonds soft fleece lining with outer stretch knit fabric to lock heat firmly. The material delivers ultra-smooth touch next to skin. Elastic construction fits body naturally without tight constraint. Flatlock seam workmanship cuts down friction for all-day comfort. Suitable for daily winter wear, hiking and skiing. Slim profile avoids bulkiness under coats and jackets. The fabric is treated to resist pilling, fleece stays fluffy after washing, continuously providing stable warmth in low-temperature environments.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575518955,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/41WOAZSWibL._AC_SL1000.jpg?v=1790588385"},{"product_id":"thermal-underwear-women-s-thermo-ski-set-breathable-thermal-warm-winter-thermal-underwear-with-thermal-pants-and-long-sleeve-shirt-black-white","title":"Thermal Underwear Women's Thermo Ski Set Breathable Thermal Warm Winter Thermal Underwear with Thermal Pants and Long Sleeve Shirt Black White","description":"\u003cp\u003eThis men crew neck thermal top is made from recycled fabric with micro waffle jacquard knitting craft. The waffle texture creates air pockets to retain body heat while improving ventilation. Recycled fiber undergoes softening processing to ensure skin-friendly wearing experience. High elasticity allows unrestricted movement. Flatlock seams prevent skin chafing. Suitable as winter base layer for daily wear, hiking and outdoor activities. Available in single or double packs for flexible purchase. The fabric features good shape retention, resisting shrinkage after washing. Eco-friendly material combines warmth, comfort and sustainable concept for cold seasons.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575584491,"sku":null,"price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61FH--xKz5L._AC_SL1500.jpg?v=1790588387"},{"product_id":"women-thermal-underwear-long-johns-set-with-fleece-lined-ultra-soft-base-layer-cold-weather-top-bottom","title":"Women Thermal Underwear Long Johns Set with Fleece Lined Ultra Soft Base Layer Cold Weather Top Bottom","description":"\u003cp\u003eThis fleece lined women long john thermal set acts as practical cold weather base layer. It adopts composite lamination process, attaching ultra soft fleece lining to stretch knit outer fabric to trap body heat efficiently. The fabric features great stretch to fit body curves comfortably without restriction. Flatlock stitching eliminates rough seams to reduce friction. Ideal for daily winter wear, skiing and other outdoor activities. Slim cut will not bring bulky feeling under outer garments. Anti-pilling treatment maintains fabric appearance, fleece keeps fluffy and soft after repeated washing, offering lasting warmth.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575650027,"sku":null,"price":73.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/616Rc3c9u0L._AC_SL1500.jpg?v=1790588388"},{"product_id":"men-s-recycled-waffle-thermal-underwear-crew-top-1-and-2-packs","title":"Men's Recycled Waffle Thermal Underwear Crew Top (1 and 2 Packs)","description":"\u003cp\u003eThis women functional thermal underwear set is engineered for autumn and winter use. Made of professional functional knit fabric with moisture-wicking finishing. It retains heat while quickly discharging sweat generated during skiing, running and sports, keeping skin dry. Elastic weaving supports flexible movement. Flatlock seam craft avoids skin irritation. Works great for skiing, running and other outdoor sports, also comfortable for indoor home wear. High-density knitting improves fabric durability. Lightweight slim design is easy to layer under sportswear, maintains stable thermal performance after repeated laundering.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575748331,"sku":null,"price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/81Q4xPJl-PL._AC_SL1500.jpg?v=1790588389"},{"product_id":"women-thermal-underwear-long-johns-set-with-fleece-lined-ultra-soft-base-layer-cold-weather-top-bottom-2","title":"Women Thermal Underwear Long Johns Set with Fleece Lined Ultra Soft Base Layer Cold Weather Top Bottom","description":"\u003cp\u003eThis women winter functional ski thermal set is made of specialized thermal knit fabric with moisture management finishing. The fabric locks in body warmth and transports sweat outward to prevent damp chill during skiing. Elastic knitting delivers a snug, flexible fit without limiting limb motion. Flatlock seamless construction reduces friction and chafing. Designed primarily for skiing and cold outdoor activities, also suitable for daily winter use. Dense weaving enhances wear resistance. Slim silhouette can be worn under ski suits without extra bulk, fabric maintains soft touch and thermal performance after repeated washing.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575813867,"sku":null,"price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/6109B7FPNPL._AC_SL1500.jpg?v=1790588391"},{"product_id":"thermal-underwear-women-s-breathable-ski-underwear-women-s-functional-underwear-thermal-underwear-set-for-ski-sports-running-warm-underwear-for-home-and-sports-in-autumn-winter","title":"Thermal Underwear Women's Breathable Ski Underwear Women's Functional Underwear Thermal Underwear Set for Ski Sports Running Warm Underwear for Home and Sports in Autumn Winter","description":"\u003cp\u003eThis women warm thermal underwear set uses fine thermal knit fabric with soft finishing treatment. The knitted structure traps air to preserve body heat in cold weather. Moderate elasticity ensures close and comfortable fit. Flat seam workmanship reduces rubbing against skin. Suitable as winter base layer for daily commuting, indoor and light outdoor activities. Sold in single or three-set options for flexible selection. The fabric resists shrinkage after washing, keeps stable warmth and soft texture. Simple versatile design can be worn under sweaters and coats, bringing reliable warmth for daily cold weather life.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575879403,"sku":null,"price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/71RdfC_NhrL._AC_SL1500.jpg?v=1790588392"},{"product_id":"thermal-underwear-women-s-ski-underwear-set-winter-functional-underwear-ski","title":"Thermal Underwear Women's Ski Underwear Set Winter Functional Underwear Ski","description":"\u003cp\u003eThis men winter long thermal underwear is crafted for skiing and cold weather scenarios. Premium thermal knit fabric is adopted with heat retention finishing, capturing static air to keep body warm. Moisture wicking property helps evacuate sweat during sports. Elastic weaving provides flexible fit without tight constraint. Flatlock stitching prevents chafing during active movement. Perfect as base layer for skiing, hiking and daily winter wear. Dense weaving boosts durability and anti-pilling performance. Slim design layers easily under outerwear, fabric maintains softness and thermal function after repeated washing.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575944939,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61YcY_d-_BL._AC_SL1500.jpg?v=1790588394"},{"product_id":"women-s-thermal-underwear-set-of-1-3-thermal-underwear-warm","title":"Women's Thermal Underwear Set of 1\/3 Thermal Underwear Warm","description":"\u003cp\u003eThis men long sleeve base layer shirt is woven from 100% natural merino wool. Fine merino fiber features inherent temperature regulation, odor resistance and moisture management properties. Professional wool knitting technology prevents itching and delivers gentle skin contact. The fabric absorbs vapor and releases moisture, keeping dry during hiking, skiing and other outdoor activities. Flatlock seams eliminate rough edges to reduce friction. Natural fiber avoids chemical additives. Ideal outdoor base layer for cold seasons. The wool material retains warmth even when slightly damp, stable structure reduces shrinkage with proper care.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540575977707,"sku":null,"price":81.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61FJ8QWRmPL._AC_SL1500.jpg?v=1790588395"},{"product_id":"thermal-underwear-winter-men-s-long-underwear-ski-underwear","title":"Thermal Underwear Winter Men's Long Underwear Ski Underwear","description":"\u003cp\u003eThis men midweight long sleeve thermal shirt is constructed from pure 100% merino wool. Advanced fine spinning and knitting process softens wool fiber, reducing itchiness for direct skin wear. Natural merino wool delivers temperature regulation, odor inhibition and moisture wicking performance. Flatlock seam craftsmanship minimizes chafing during activities. Midweight fabric balances warmth and breathability. Great base layer for skiing, hiking, hunting and daily cold weather use. Elastic weave allows free body movement. Natural fiber retains warmth in damp conditions, fabric maintains shape and softness with correct washing.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576043243,"sku":null,"price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61fQr1zBtML._AC_SL1500.jpg?v=1790588396"},{"product_id":"100-merino-wool-men-s-long-sleeved-shirt-thermal-underwear-base-layer-long-sleeved-shirt-for-hiking-skiing-outdoor-breathable-and-odour-resistant-natural-small","title":"100% Merino Wool Men's Long-Sleeved Shirt - Thermal Underwear Base Layer Long-Sleeved Shirt for Hiking, Skiing \u0026 Outdoor, Breathable and Odour-Resistant, Natural, Small","description":"\u003cp\u003eThis women winter functional ski thermal set adopts professional thermal functional knit fabric with moisture transfer treatment. The knitted structure locks body heat and guides sweat away from skin to avoid cold damp feeling during skiing. Elastic weaving creates a snug fit without restricting movement. Flatlock seam processing reduces skin friction. Suitable for skiing and other cold outdoor sports, also for daily winter wear. High-density weaving improves durability and anti-pilling ability. Slim profile fits neatly under ski suits without extra bulk, fabric keeps soft hand feel and thermal performance after repeated laundering.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576108779,"sku":null,"price":84.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/51ulRnWunzL._AC_SL1500.jpg?v=1790588397"},{"product_id":"mens-base-layer-100-merino-wool-midweight-long-sleeve-thermal-shirt","title":"Mens Base Layer - 100% Merino Wool Midweight Long Sleeve Thermal Shirt","description":"\u003cp\u003eThis men long sleeve base layer shirt is made of 100% merino wool through fine spinning and knitting craft. Natural merino fiber provides built-in odor resistance and thermoregulation, adapting to temperature changes during hiking, running and hunting. The fabric manages moisture effectively to keep skin dry without sticky feeling. Flatlock seams eliminate rough edges and chafing. Lightweight wool fabric brings comfortable close fit and allows full range of motion. Works perfectly as outdoor base layer in cold and cool weather. The natural material holds warmth even when damp and stays durable with proper maintenance.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576174315,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/71WLYmyYTLL._AC_SL1500.jpg?v=1790588399"},{"product_id":"100-merino-wool-t-shirt-for-men-s-long-sleeve-base-layers-odor-resistance-for-outdoor-hiking-running-and-hunting","title":"100% Merino Wool T-Shirt for Men's Long Sleeve Base Layers Odor Resistance for Outdoor Hiking, Running and Hunting","description":"\u003cp\u003eThis women crew neck thermal long john set is woven with premium pure silk knit material. Special silk knitting process preserves silk’s natural softness and temperature regulating features. The fabric delivers smooth luxury touch next to skin, locking warmth while reducing static. Flat seam workmanship avoids skin friction. Suitable for winter daily wear as lightweight base layer under outfits. Silk fiber is gentle to sensitive skin. Exquisite weaving improves durability and reduces snagging. Slim elegant silhouette adds no extra bulk, retains silky texture and thermal performance with proper washing and care.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576239851,"sku":null,"price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/81vUgCw5IEL._AC_SL1500.jpg?v=1790588400"},{"product_id":"6-pcs-thermal-tank-tops-women-underwear-tops-sleeveless-undershirt-cotton-camisole-women-warm-base-layer-for-women","title":"6 Pcs Thermal Tank Tops Women Underwear Tops Sleeveless Undershirt Cotton Camisole Women Warm Base Layer for Women","description":"\u003cp\u003eThis two-piece kids winter base layer thermal set includes long sleeve top and leggings for toddlers. It is made of soft stretch thermal knit fabric with skin-friendly finishing free from harsh irritants. Fine circular knitting brings gentle elasticity to accommodate kids’ active movement. Flatlock seams prevent scratching delicate skin. The fabric traps warmth while maintaining breathability. Suitable for indoor home wear and outdoor winter activities. High-density stitching improves wear resistance. The fabric is shrink-resistant, remains soft after washing, safe and cozy for boys and girls in cold weather.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576305387,"sku":null,"price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/71cPVZiDw6L._AC_SL1500.jpg?v=1790588402"},{"product_id":"women-pure-silk-winter-knit-underwear-set-winter-thermal-long-johns-set-crew-neck","title":"Women Pure Silk Winter Knit Underwear Set Winter Thermal Long Johns Set Crew Neck","description":"\u003cp\u003eThis women winter ski functional thermal set uses professional thermal knit fabric treated with moisture wicking finishing. Its knitted structure captures air to preserve body heat and expel sweat generated during skiing, preventing chilling from damp skin. Elastic weaving offers flexible, snug fit without restricting limb movement. Flatlock seam craft reduces chafing during motion. Primarily designed for skiing, also works for other cold outdoor sports and daily winter wear. Dense weaving enhances anti-pilling performance. Slim design fits neatly under ski suits without bulky layers, keeps softness and thermal performance after repeated washing.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576370923,"sku":null,"price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/51RFkJbYDCL._AC_SL1000.jpg?v=1790588403"},{"product_id":"toddler-boys-girls-thermal-underwear-long-sleeve-t-shirt-leggings-2pcs-kids-winter-base-layer-set-12months-8years","title":"Toddler Boys Girls Thermal Underwear Long Sleeve T-Shirt Leggings 2Pcs Kids Winter Base Layer Set, 12Months-8Years","description":"\u003cp\u003eThis solid black women thermal underwear set is crafted from soft stretch thermal knit fabric. Fine knitting creates air pockets to lock body heat efficiently for cold weather. The fabric passes softening treatment for comfortable skin contact. Moderate elasticity fits body curves naturally. Flatlock stitching eliminates rough seams to reduce friction. Suitable as winter base layer for daily commuting, indoor leisure and light outdoor activities. Simple black design matches all kinds of outerwear. Anti-shrink and anti-pilling treatment extends service life, fabric stays soft and maintains stable warmth after repeated laundering.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576436459,"sku":null,"price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61_c63Yey6L._AC_SL1001.jpg?v=1790588405"},{"product_id":"thermal-underwear-women-s-ski-underwear-set-winter-functional-underwear-ski-2","title":"Thermal Underwear Women's Ski Underwear Set Winter Functional Underwear Ski","description":"\u003cp\u003eThis men winter functional thermal set features inner fleece lining, made with composite lamination technology bonding fleece and outer knit fabric. The fleece layer locks body heat, outer fabric delivers breathability and moisture transfer. Elastic knitting supports free movement for skiing and cold outdoor activities. Flatlock seams avoid skin chafing. The fabric is soft against skin and resistant to pilling. Ideal as base layer for skiing, hiking and daily winter wear. Slim cut will not create bulk under outer jackets. Fleece stays fluffy after washing, continuously offering reliable warmth in low-temperature environments.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576501995,"sku":null,"price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61tvD6plsLL._AC_SL1500.jpg?v=1790588406"},{"product_id":"thermal-underwear-for-women-black","title":"Thermal Underwear for Women Black","description":"\u003cp\u003eThis men electric heated vest comes with charging port, built with 16 independent heating zones. The outer layer uses wind-resistant thermal knit fabric, inner lining adopts soft warm fleece. Precision stitching fixes heating components securely inside without discomfort. The heating structure evenly distributes warmth across torso. Fabric has good elasticity and windproof property. Designed for skiing, motorcycling and other cold outdoor activities. The vest works as warm outer or inner layer. Neat edge craftsmanship prevents fabric fraying. Soft lining ensures skin-friendly wearing, bringing stable supplementary warmth for long-time outdoor exposure in winter.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576567531,"sku":null,"price":74.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/51iw7hQwLWL._AC_SL1500.jpg?v=1790588408"},{"product_id":"thermal-underwear-men-s-functional-underwear-ski-underwear-winter-thermal-underwear-set-warm-soft-functional-underwear-thermal-underwear-inner-fleece-thermal-undershirt-thermal","title":"Thermal Underwear Men's Functional Underwear Ski Underwear Winter Thermal Underwear Set Warm Soft Functional Underwear Thermal Underwear Inner Fleece Thermal Undershirt Thermal","description":"\u003cp\u003eThis men’s winter functional thermal underwear set features plush inner fleece lining, manufactured by composite lamination craftsmanship to firmly combine the outer knit shell and fleece layer. The thick fleece efficiently traps body heat against cold wind, while the outer functional fabric delivers good breathability and moisture-wicking performance to avoid damp chill during activity. Stretch knitting offers a close, unrestrictive fit, and flatlock seam processing reduces skin chafing. Perfect as a base layer for skiing, hiking and daily winter wear. High-density weaving provides anti-pilling performance. Slim construction adds no extra bulk under jackets, and the fleece retains its soft fluffy texture after repeated washing for long-lasting warmth.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576633067,"sku":null,"price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61GdYlpBY0L._AC_SL1500.jpg?v=1790588409"},{"product_id":"electric-heated-vest-for-men-with-port-thermal-top-with-16-heating-zones-for-outdoor-skiing-motorcycling","title":"Electric Heated Vest for Men with  Port, Thermal Top with 16 Heating Zones for Outdoor Skiing, Motorcycling","description":"\u003cp\u003eThis men’s electric heated vest is equipped with a charging port and 16 distributed heating zones for balanced torso warmth. The outer shell uses wind-resistant thermal textile, paired with soft fleece lining for gentle skin contact. Precision hidden stitching secures built-in heating elements without protruding or causing discomfort. Elastic fabric allows full freedom of movement. Ideal for skiing, motorcycling and other cold outdoor activities, usable as either inner thermal layer or outer warm vest. Neat edge finishing prevents fraying. The lightweight construction avoids heavy burden, delivering reliable supplemental heat for long hours exposed to low-temperature outdoor environments.\u003c\/p\u003e","brand":"oatrenllc.com","offers":[{"title":"Default Title","offer_id":67540576698603,"sku":null,"price":86.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9523\/4283\/files\/61QvlnaRBjL._AC_SL1200.jpg?v=1790588411"}],"url":"https:\/\/oatrenllc.com\/collections\/thermal-underwear.oembed","provider":"oatrenllc.com","version":"1.0","type":"link"}