Ultralight UA Tech knit shorts stretch and flex with your movements with breathable comfort. Made of knit polyester. Threadborne fabrics have been favored by Under Armour athletes and customers for years - these are the elite of the elite. UA Tech performance fabric has quick-dry wicking to keep you dry and cool. UA Siro construction prevents clinging. Ultra soft multi-directional stretch fit knit. On-seam pockets with mesh interiors. Wide covered elastic waistband has flat-woven inner drawstrings