SWEAT-WICKING PERFORMANCE FOR THE PITCH. The Nike Dri-FIT Academy Shorts refuse to let sweat slow you down. Slightly stretchy fabric moves sweat off your skin, so you can focus on playing your best. This product is made with 100% recycled polyester fibers. Dri-FIT technology helps keep you dry and comfortable. Mesh stripes add breathability. Elastic waistband and hidden drawcord give you the perfect fit. Speed-inspired look is modeled after training apparel worn by professional players. Standard fit for a relaxed, easy feel.