From the Manufacturer
Duofold offers an all purpose two-layer thermal that combines cotton for next-to-skin softness, with the durability and performance of polyester. This product will keep you comfortable and warm in cold weather.
Product Description
The Duofold® men's two-layer thermal bottom provides uncompromised protection against the elements. It's crafted using a two-layer thermal fabric construction to deliver exceptional warmth. The flatlock seams help to prevent unwanted irritation, while the rib cuffs ensure a secure fit.