- Nike HydraStrong fabric provides long-lasting durability swim after swim|Internal front lining delivers a comfortable fit and modesty|Flat seams help reduce chafing|Heat-transferred Swoosh design| Fabric: Body: 53% Polyester / 47% PBT Lining: 100% Polyester| Care: Hand wash| Lining: Front lined| Chlorine Resistant: Yes| Fit: Competitive| Adjustable: Yes| Country of Origin: Imported