Leatt Knee Guard Rea Flex Pro Low-profile, highly-protective The low-profile Rea Flex Pro Knee Guards from Leatt provide exceptional CE-rated protection with a slim profile and reduced weight for riders in need of minimalist protection. Leatt engineered the Reaflex Pro with 3D-shaped Rea Flex impact gel, maintaining impact protection with reduced bulk. Interior silicone printing and a cupped shape on these pre-curved guards allows for them to stay in place without the need for a thigh strap, while Moisture Cool and Air Mesh materials help maintain breathability, keeping sweaty knees from ruining the ride. Whether you're in need of extra protection with less weight for an all-day epic ride, or you're just looking for additional low-profile coverage on your local trails, the Leatt Rea Flex Pro Knee Guards provide highly-engineered protection so comfortable, you might just forget you're wearing them. . Features Slim, lightweight Rea Flex impact gel protects the rider without excessive bulk Lightweight at only 300 grams for the pair Moisture Cool and Air Mesh materials improve breathability and wick away moisture Silicone printed knee interior with a cupped knee gripper provides a secure, slip-free design without the need for a thigh strap Total Leatt(R) protection score of 15 points CE-certified to Knee EN1621-1 standards Sizing Size Small Medium Large XLXXLThigh Circumference (cm)33cm - 37cm37cm - 41cm41cm - 47cm47cm - 53cm53cm - 59cm Calf Circumference (cm)25 - 29cm29 - 33cm33 - 38cm38cm - 44cm44cm - 51cm | Leatt | Knee Guard Reaflex Pro Men's | Size Large In Flint