LOUIS GARNEAU KNEE WARMERSCOLD KNEES DON'T PERFORMCold weather riding can be difficult if you're unprepared. With the right apparel, you can easily ride in any condition comfortably. The Louis Garneau Knee Warmers feature Heat Maxx fabric that has a soft brushed inside that wicks moisture while retaining heat. They have thigh silicone grippers that hold the warmers in place while you're pedaling. With the reflective accents, you'll have enhanced visibility in low-light conditions. Features Flatlock seams for better comfort and less irritation Heatmaxx fabric with a soft brushed inside that wicks moisture while retaining heat Reflective accents enhance visibility in low-light conditions 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 | Knee Warmers Men's | Size Small In Black