Ekouaer Women's Long Thermal Underwear Fleece Lined Winter Base Layering Set 2 Pieces Thermal Set (Top & Bottom) are made with 95% Cotton and 5% Elastane Base-layer-underwear closure,Tagless Long sleeve top,Elastic waist with convenient fly front Ultra Soft, Warm and Comfortable;Breathable and moisture wicking,Midweight! Our size are standard US size,please choose your general thermal underwear size. Cold weather, low-impact activities.Great to be Wear Alone at Home or Add an Extra Layer of Warmth Under Your Clothes.Machine Wash High quality long staple cotton. Nice thermal underwear is made of high quality cotton Breathable fabric. Cotton fabric, soft, warm, comfortable and breathable No fading. These women thermal underwear will not fade after washing Elastic enough &amp; Perfect fit. It&#039;s made of 95% cotton and 5% elastane. It&#039;s suitable for all sizes. It will not be too loose to too tight when U wear. Keep warm in winter High quality long staple cotton. Nice thermal underwear is made of high quality cotton Breathable fabric. Cotton fabric, soft, warm, comfortable and breathable No fading. These women thermal underwear will not fade after washing Elastic enough &amp; Perfect fit. It&#039;s made of 95% cotton and 5% elastane. It&#039;s suitable for all sizes. It will not be too loose to too tight when U wear. Keep warm in winter High quality long staple cotton. Nice thermal underwear is made of high quality cotton Breathable fabric. Cotton fabric, soft, warm, comfortable and breathable No fading. These women thermal underwear will not fade after washing Elastic enough &amp; Perfect fit. It&#039;s made of 95% cotton and 5% elastane. It&#039;s suitable for all sizes. It will not be too loose to too tight when U wear. Keep warm in winter High quality long staple cotton. Nice thermal underwear is made of high quality cotton Breathable fabric. Cotton fabric, soft, warm, comfortable and breathable No fading. These women thermal underwear will not fade after washing Elastic enough &amp; Perfect fit. It&#039;s made of 95% cotton and 5% elastane. It&#039;s suitable for all sizes. It will not be too loose to too tight when U wear. Keep warm in winter