Henri maurice Men's Thermal Underwear Tights Leggings Base Layer Compression Pants Black ECP Thermal effect / temperature preserved /moisture management with Cera Heat and Coolon fabric Cera Heat fabric Improves keeping warm for outdoor activities in early winter season It makes a nice and pleasant condition for exercises due to its super light spandex which is soft, wearable, flexible Spandex with high-elasticity allows the sweat to be quickly absorbed and dried Perfect fit to the body - high quality product Made in Korea (Korea fabric not in China)