The Mizuno Men's MX-Sonic Tech Suit Swimsuit is engineered with Sonic Light Ribtex II material from the popular GX Sonic IV suit. Mizuno's competition swimwear for Men is designed with superior compression and added water resistance for minimal drag. Built for speed, the MX-Sonic keeps your body fresh throughout the entire race.Features FINA Approved: Approved by FINA for National and International Swimming Competitions. FINA Approved racing swimsuits have a unique FINA barcode printed on the swimsuit, making it easily identifiable to swimming officials. Compressive Material: Compressive panels engineered for body support and alignment throughout the race. Sewn seams Sonic Light Ribtex II: Mizuno's most updated technical swim fabric. Grooved fabric and water resistant material offers minimal water resistance and compressive support. Water Resistant: Water repellant fabric and coating for optimal speed through the water. Details Fabric: Shell Body: Nylon 65%, Spandex 35%, Shell Panel (Thigh: Nylon 66%, Spandex 34%) Care: Hand wash only Chlorine Resistant: No Fit: Tight, competition fit Adjustable: No Rise: Low Length: Above the knee Country of Origin: Imported