These lightweight guards are designed with minimal sleeve-style construction to ensure true flexibility while the Koroyd inserts deliver world-leading impact protection, delivering mobility as you pedal up and coverage for the way down. Features:Koroyd inserts for world-leading impact protection and flexibilityLightweight, minimal sleeve style construction for increased comfort and flexibility while on the bikeLarge elastic gripper panels with silicone print designed to keep the guards in place while riding or during impactAntimicrobial treatment reduces odor-causing microbesEN1621-1 Level 1 CE Certification