Our fully customized knee warmers are made with Italian MITI® SUPER ROUBAIX STELVIO with a brushed back and features enough stretch to fit comfortably on the legs of climbers and sprinters alike. The top and bottom portion features Italian MAB silicone over elastic gripper so they'll stay put on those long training rides and the below-the-knee area has plenty of stretch to keep them from riding up over the knee.