The FOX MTB F3 D3O Knee Insert offers cutting-edge protection and comfort for off-road cyclists. Engineered by FOX RACING, a renowned brand in performance gear, this knee insert utilizes advanced D3O technology that provides exceptional impact resistance while maintaining flexibility. Designed specifically for mountain biking, the F3 model ensures a snug fit that stays in place during rigorous rides. Its lightweight and breathable material allow for extended wear without discomfort, making it a reliable choice for both casual and competitive off-road adventures. With the FOX MTB F3 D3O Knee Insert, you can tackle challenging terrains with confidence, knowing your knees are shielded from potential injuries.