SUGOi Men's Windblock Bib Tights Front: 100% Polyester Face, 100% Polyurethane Laminate, 100% Polyester Back, Back: 94% Polyester, 6% Spandex, Bib: 84% Polyester, 16% Spandex Imported 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