Zoot Sports Protege Tri Short Body: 200 g. 80% nylon/20% xtra life lycra spandex EnduraChamois: 250 g. 100% polyester Tri Cycle Fleece Imported BIOwrap hem provides targeted muscle support for increased endurance, reduces damage caused by muscle vibration and eliminates leg gripper 5" (12.7cm) inseam UPF 50+ sun protection