Quiksilver  Men's Syncro 2mm Backzip Flatlock Short Sleeve Springsuit Gray/Orange Medium  Tall Neoprene^Nylon^Spandex Imported Quiksilver Wetsuit Size Chart Springsuit is built around a neoprene core with air cell-injected core for warmth without weight. Smooth, quick-drying jersey-knit lining. Stretch jersey-knit face for improved range of motion. Flexible flatlock stitching reduces friction. Mock neck. Short sleeves. YKK&reg; back zip closure with dual, inner hook-and-loop tabs. Knee-length cut. Exterior: 92% nylon, 8% spandex;Interior: 100% nylon;Core: Non-fibrous rubber. Rinse with cold water and drip dry in shade. Imported.