Splash around in the Nike Boys' Sunset Surf Short Sleeve Hydroguard Swim Shirt. It is made of 100% polyester. The Dri-FIT technology keeps you dry, and its UPF 40 UV protection helps you stay protected from the sun. The Swoosh on the back finishes off the design. Nike Boys' Sunset Surf Short Sleeve Hydroguard Swim Shirt Black, X-Large - Boy's Swim at Academy Sports