Zoot Sports Men's Ultra Tri Tank Top Body: 200 g. 78% polyamide/22% elastane Ultra Powertek Inset 1: 200 g. 62% polyamide/36% elastane/2% carbon Inset 2: 200 g. 80% nylon/20% xtra life lycra spandex Endura Imported Reflective details UPF 50+ sun protection Seam Link--soft flexible stich