[Innovative design, excellent comfort] The arc design of the knee pads on both sides is ergonomic. There is an open design in the center of the patella, which allows the knee pad to fit the knee perfectly and improve the comfort during use. [Pressure band and adjustable velcro, put stabilizer on the knee] Elastic pressure band and adjustable velcro design, freely adjust the tightness that suits you freely, so that the knee pad can be better fixed on the knee. It is more stable and compressible than other similar products. Effectively prevent meniscus tears, strains, and sprains, relieve ACL, LCL, MCL, and relieve tendinitis and knee arthritis pain. [Gel pad and spring strips make exercise easier] Insert a medical gel ring in the open patella area to better cover and protect the knee. The double helix metal strips hidden on both sides of the knee pad are soft and elastic, providing sufficient compression and support for the knee and patella. This knee pad with side stabilizer not only protects the knee better, but also saves effort [Good water absorption and good air permeability] The knee pad is made of high-grade neoprene material. The inner fabric is in direct contact with the skin. It absorbs sweat and breathes freely to prevent uncomfortable skin conditions. The outer perforated design is convenient for wicking sweat. Whether it is exercise or walking, you can get support in daily activities. This is also an ideal choice for people who recover after surgery or stand or walk for a long time. [Unisex] Please note: Keep your legs vertical and do not bend your knees; Find the center of the knee; Measure the thigh circumference at 4 inches (10 cm) above the center of the knee; Size: Free size. This is a great knee pad, perfect as a gift. It's time to show your love to the people you care about.