Joint VPD 2.0 Long Knee offers great freedom of movement and will protect your knees and lower legs from impacts often associated with pedals, rocks and other objects found on varied terrain. VPD adapts to the shape of your body, but when exposed to impact, the material stiffens and has extreme impact absorption properties. TECHNICAL FEATURES 3D molded VPD 2.0 knee and shin protector perforated for heat and moisture control Reinforced stretch fabric for a secure fit Elastic strap for enhanced protection and fit SIZES S, M, L CERTIFICATIONS EN 1621-1​​