Louis Garneau Wind Pro Knee Warmers 2Protection From The Elements When the temperatures begin to drop and the clouds come out, you'll want to layer up so you can ride comfortably. Wearing things like arm warmers and knee warmers will help keep you warm without overheating. The Louis Garneau Wind Pro Knee Warmers are perfect for protecting you from the elements with their windproof membrane with a DWR water repellent coating. They feature reflective accents for enhanced visibility in low-light conditions and silicone grippers that keep the warmers in place while you're riding. Features Polartec Light Wind Pro fabric with 4-way stretch and a DWR coating Reflective accents enhance visibility in low-light conditions Silicone grippers keep the warmers in place while you're riding Sizing Size Extra Small Small Medium Large Extra Large XX-Large Biceps (in)10 - 11"11 - 12"12 - 13"13 - 14. 5"14. 5 - 16"16 - 17. 5"Thigh (in)19. 5 - 21"21 - 22. 5"22. 5 - 24"24 - 25. 5"25. 5 - 27"27 - 28. 5" | Louis Garneau | Wind Pro Knee Warmers 2 Men's | Size Medium In Black