The coziest thermal wear you've ever felt! The Supplex Thermal Leggings are an excellent base layer; offering 4-way stretch fabric that is breathable and moisture-wicking, drying 28% faster than cotton! Designed with no-chafe seams, a 1 1/2 inch waistband and soft elastic at the ankle for comfort These leggings make a snugly warm pajama set when paired with the Supplex Turtleneck. MADE IN THE USA.