The coziest thermal wear you've ever felt! The Supplex Thermal Turtleneck is an excellent base layer. Featuring 4-way stretch body contouring panels, ergonomic shoulder gussets and an elliptical hem along with a fabric that is breathable and moisture-wicking, drying 28% faster than cotton! Turtleneck collar can be worn folded or stacked. Makes a snugly warm pajama set when paired with Supplex Thermal leggings. MADE IN THE USA.