Take on the waves in these Nike Boysâ Breaker Pebble Volley Swim Shorts 7 in. Theyâre made from 100% polyester for durability and comfort, and the all-over Swoosh print shows off your sporty style. Nike Boysâ Breaker Pebble Volley Swim Shorts 7 in Blue, Medium - Boy's Swim at Academy Sports