Men's Nike A.P.S. Shorts 19697601129 The Axis Performance System uses data from hundreds of athletes to create gear for almost any type of workout in almost any conditions. Each piece in the system is assigned a level (0, 1, 2, 3, +) that indicates how to wear it and pair it with other pieces in the system. A user guide printed on the product shows the level of the product and the type of workout for which it's designed.Stay-Dry SupportNike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable.Made to Move4-way stretch-woven fabric helps you move, stretch and run naturally.Designed for Running, Training and YogaLength: 6"Liner: UnlinedFabric: Smooth and stretchy wovenStorage: Zippered side pockets and back pocketsWaistband: Elastic with drawcord More Details Body: 83% nylon/17% spandex. Mesh: 100% polyester.Machine washImported83% NYLON17% ELASTANE Men's Nike A.P.S. Shorts