Swim harder in square-leg trunks designed for swimmers who never stop chasing the clock. The front-lined Nike HydraStrong fabric provides long-lasting durability while flatlock seams help reduce chafing, so you can focus on hitting your personal best. Benefits:Nike HydraStrong fabric provides long-lasting durability, swim after swim. Front lined for better fit, comfort, and a secure feel. Flatlock seams help reduce chafing. [] Product Details:Interior drawcord. Embroidered Swoosh logo. Body:51% recycled polyester 49% (PBT) polyester (Chlorine Resistant); Lining:100% recycled polyester. HAND WASH COLD SEPARATELY. AFTER EACH WEARING. NON-CHLORINE BLEACH. LINE DRY. DO NOT IRON. DO NOT DRY CLEAN. DO NOT STORE WET. Style: NESS9742; Color: Midnight Navy; Size: L; Gender: Male; Age Group: Kids | Nike Swim HydraStrong Big Kids' (Boys') Square Leg in Blue, Size: Large | NESS9742-440