You can find a guide to choosing leggings here. Our original HeatGear fabric is very light, breathable and dries quickly. The material wicks away sweat and dries very quickly. 4-Way Stretch technology allows for better movement in every direction. Elastic ribbed panels on the sides and lower legs. Improved wedge for better range of motion. Exposed elastic waistband with lettering detail. Side pockets. Odor control technology minimizes odor.