Zoot SPORTS Men's Performance Tri 6-Inch Short Body: 74% Nylon, 26% Spandex, 228Gm2, Inset: 80% Nylon, 20% Spandex, 193Gm2, Inset 2: 79% Polyester, 21% Spandex, 228Gm2 Imported Reflective details for visibility in low-light conditions