You can find a guide to choosing leggings here. Very warm knit with texture and added elasticity for comfort. Double-layer fabric on the back of the legs and top of the front helps retain heat with a soft, brushed interior and smooth exterior. The material wicks away sweat and dries very quickly. 4-Way Stretch technology allows for better movement in every direction. High-cut UA No-Slip waistband for optimal coverage and support that stays in place with every movement. Side pockets. Reflective elements for better visibility in poor lighting. Odor control technology minimizes odor.