Sugoi Mid Zero Arm Warmer Sugoi's Mid Zero Arm Warmer offers comfort and insulation while you're in the cockpit. The Mid Zero fleece material keeps you comfy while wicking moisture and offering compression. Enjoy a full range of motion with the thin, flexible material. Flat seams prevent discomfort, and silicone grippers keep them from shifting around while you ride. Features Mid Zero fleece lining wicks away moisture while keeping you warm Flat seams stitch together contoured fabric that prevents discomfort Silicone grippers keep them from shifting while you pedal 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" | Sugoi | Midzero Cycling Arm Warmers Men's | Size Small In Black