Get the jammer that's streamlined to reduce drag. The fully lined Nike HydraStrong fabric provides long-lasting durability, and flatlock seams help reduce chafing, so you can focus on hitting your personal best. Fit & Design 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 Front gusset offers a comfortable fit Interior drawcord Embroidered Swoosh Technology Nike Hydrastrong fabric Additional Details: HAND WASH COLD SEPARATELY. AFTER EACH WEARING. NON-CHLORINE BLEACH. LINE DRY. DO NOT IRON. DO NOT DRY CLEAN. DO NOT STORE WET.