ESSENTIAL SHORTS FOR PRACTISE OR PLAY. The Nike Dri-FIT Academy Shorts are made of soft, sweat-wicking fabric to help keep you dry when the game heats up. This product is made with 100% recycled polyester fibres. Dri-FIT technology helps keep you dry and comfortable. Elastic waistband and hidden drawcord give you a snug fit. Speed-inspired look is modeled after training apparel worn by professional players. Standard fit for a relaxed, easy feel.