This Duofold Varitherm Performance 2-Layer Thermal Pants is designed to keep you warm and dry during high-motion activities. Thermal bottom, Keeps you warm and dry, Ideal for high-motion activities, Sleek expedition-weight fabric traps warmth between two-layers, Wicks away sweat from your skin to keep you dry, Dries quickly for chafe-free comfort, Resists garment odors, 360-degree stretch allows for ease of movement, Tagfree elastic waist provides targeted moisture control, Adjustable inner drawcord, Ankle length, For matching top see style: kew1, Non-chafe flat-lock seams, Expedition-weight 9. 4-oz. 2-layer 96% polyester/4% spandex.