- Material: hard ABS plastic outer shell + shock-absorbing EVA/soft inner layer - Triple elastic velcro strap system – quick adjustment and stable fit - Hinged construction adapted for knee joint movement - Ventilation holes for breathability, reduces sweating - Internal breathable mesh lining and shock-absorbing honeycomb structure pad - Soft edges reduce friction, providing long-term comfort - Suitable for motorcycles, scooters, bicycles, skateboards, and other active sports - Universal size: adjustable for adults - Lightweight, does not restrict movement - Sold as a pair for right and left legs Functionality: protecting the kneecap and calf area from impacts and friction, additional safety for road and off-road use.