Thermal underwear pants are made with Nylon fabric to give the ultimate warmth during the cold weather seasons and are light for layering under other clothes.These thermal leggings are designed to give you flexibility by hugging your body and stretching to move with you, they will keep you warm without sacrificing your range of motion or comfort.Additional Crotch Lined: Providing more room, reducing restraint friction in your intimate area to facilitate movement freely.Versatile Performance: Thermal underwear with ultra soft hand feel and heat-retention is a perfect option during various indoor activities, outdoor excursion and recreational activities.Note: Please refer our size chart in the last picture on the left before you choosing Thank you.
