Outdoorsky Sports Climbing Cycling Non-slip Ultrathin Breathable Durable Knee Pads Support Meniscus Protector Open patella design relieves pressure and helps reduce knee joint fatigue from intense exercises and heavy usage Reinforced patella stabilizer to hold the patella in proper position and to stabilize ACL, PCL, LCL, and MCL ligament Guides the knee cap into proper motion; Effectively relieves post-surgery knee pain, strains, and arthritis Greatful for Meniscal injuries. Both sides of Kneepads has four sports mechanical spring to reduce the pressure on the knee. Suitable for both men and women, inculding all kinds of sports