Gore bike wear road windstopper overshoesthe gore bike wear road windstopper overshoes feature overall foot protection for demanding road cyclists they keep the cold and splashed water out featuring a 100 polyester outer shell and a gore windstopper membrane these overshoes will fully protect your feet against the elements while still being highly breathable featuresouter shell 100 polyesterinner shell 92 polyester 8 elastanerobust shell 59 polyamide 31 polyurethanemembrane gore