CGI Offers Red and White Reflective Rain Boot Cover nylon Made for Bike Riders to enjoy the ride. Rain boot covers are waterproof. simply keeping dry during a daily walk or commute.Easy to slip over boots and shoes to keep your feet and calves dry and warm during bike rides. Comes with reflective safety strip lines. Made with High-Quality Nylon material. Sizes: USA 6-7 Euro 39-40 USA 8-9 Euro 41-42 USA 10-11 Euro 43-44 USA 11-12 Euro 45-46