Stay warm and protected from the cold with the Duofold Women's Heavyweight Double-Layer Thermal Base Layer Set. This base layer set is made from a blend of polyester and spandex, providing a comfortable and stretchy fit. The double-layer construction traps air between the layers, creating a thermal barrier to keep you warm. The moisture-wicking fabric keeps you dry and comfortable, while the flatlock seams prevent chafing. Whether you're skiing, snowboarding, or simply braving the winter weather, this base layer set will keep you cozy and comfortable.