Splash around in the Nike Boys' (4-7) Boxy Patch Volley Swim Shorts 5 in. Their body is made of 100% polyester. The lining is made of 50% recycled polyester and 50% polyester, and their longer length provides coverage from the sun. The Boxy logo on the left leg finishes off the design. Nike Boys' (4-7) Boxy Patch Volley Swim Shorts 5 in Black, 4 Youth - Boy's Swim at Academy Sports