Gore Bike Wear Men's Road Windstopper Light Overshoes, Black, 4.5-6.0 SHELL:100% Polyester/ WINDSTOPPERMEMBRANE/ 100% Polyester/ INSERT:87% Nylon/ 13% Elastane/ Imported Lightweight and elastic WINDSTOPPER overshoes for the seasonal transition period. Keep your feet warm. Fit according to shoe size Open soles framed by abrasion resistant material Zipper with semi-lock slider on back Reflective print on back pull-tab Reflective transfer print to mark right and left Reflective piping