The Nike Men's HydraStrong Transform Brief Swimsuit is made with flat seams and an internal front lining for greater comfort. An interior drawcord on the men's swimsuit provides the perfect fit. Nike HydraStrong fabric ensures long-lasting durability for swim after swim. Features Hydrastrong fabric provides long lasting durability Interior drawcord Internal front lining Flat seams Details Fabric:53% polyester, 47% PBT polyester Care:hand wash cold sparately after each wearing. Non-chlorine bleach. Line dry. Do not iron. Do not store wet Chlorine Resistant:Yes Adjustable:Yes Country of Origin:Imported