About this item Breathable Large Mesh Fabric - tries its best to offer the most premium fabric. The innovative compression fabric adopts honeycombed design, which can absorb maximum shock and offer best ventilation. It supports your leg thoroughly and keeps your knee dry with numerous air holes. No hairiness OK cloth is absolutely durable and practical. You can complete various tasks more successfully！ Powerful Rebound Spring Force – Super-hard booster pads can withstand more than 45 kilograms. You certainly don’t worry about bending the spring and hurting your weak knee. High quality stainless steel spring is more secure and reliable after repeated testing. knee booster offers your supportive power at the back of knee, thigh and claves. Your just feel energetic at actives like running, walking, hiking, basketball, soccer, golf, cycling, tennis, volleyball, skiing and so on Adjustable& Perfect Fit – Excellent interlocking design and practical sticker cater to the demand of majority. Don’t worry about choosing the correct size, you can obtain customized fit by adjusting the flexible strap, which can stabilize your knee and legs without rolling down. One size fits all design allows you easy to wear around the bare knees or over trousers. Multiple Functions – Infusing support to your weak knee, knee booster can effectively reduce the pressure on the knee and lighter your pace. It can avoid excessive knee flexion and keep your knee muscle active. It can share additional weight with your knee together. Knee Pain Relief – The breakthrough knee brace can ease your heavy and burdensome feeling. It can professionally reduce inflammation, swelling. soreness caused by arthritis, torn meniscus tear, tendonitis osteoarthritis, Gonitis, chondromalacia, prevent hyperextension etc. ATTENTION – There are small parts in the package.Please be careful when unpacking. Size;1PCS/2PCS