Sugoi Men's RS Jersey front : 100% Polyester Face, 100% Polyurethane Laminate, 100% Polyester Back / back : 94% Polyester, 6% Spandex / bib : 84% Polyester, 16% Spandex Imported Rear pocket construction optimized for carrying ride essentials Strategically placed firewall 180 panels offer excellent wind blocking and thermal regulation Zeroplus material in back panels and waist for pedaling mobility S.100 chamois