Made from premium 4-way Lycra fabric with a slim-fit cut that contours comfortably to your legs. The 3/4 length design smartly reduces bulk inside ski boots and training footwear. Breathable, lightweight, non-fading, and naturally soft to the touch. Functions as a compression base layer, effectively drawing sweat away from the skin to keep you dry and comfortable during workouts. Machine washable and available in various colors and sizes.