Zoot Sports Women's Performance Tri Racerback Racesuit Body: 200 g. 80% nylon/20% xtra life lycra spandex Endura Inset 1: 228 g. 79% nylon/21% spandex Teksheen Inset 2: 222 g. 82% nylon/18% spandex Endura 3D Imported Reflective details UPF 50+ sun protection Seam Link--soft flexible stich