Louis Garneau Zip Leg Warmers 2Wicks Moisture and Retains Heat When the temperatures begin to drop, you'll want to layer up so you can ride comfortably. Wearing arm warmers and leg warmers will help you stay warm without overheating. The Louis Garneau Zip Leg Warmers feature Heat Maxx fabric that has a soft brushed inside to wick moisture while retaining heat. They feature silicone thigh grippers to keep the warmers in place while you ride and a 9" ankle zipper with reflective piping that makes them easier to remove. Features Heat Maxx fabric that has a soft brushed inside to wick moisture while retaining heat Silicone thigh grippers hold the warmers in place while you're riding9" ankle zipper with reflective piping that makes them easier to remove 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 | Zip Leg Warmers 2 Men's | Size Small In Black