Suitable for adult women and men, especially for elders. The Joint Support Knee Pads will not limit your movement, allowing you to do any physical activity easily, good for running, climbing, cycling, hiking, skiing, basketball, soccer, football, golf, tennis, volleyball, and so on. Knee Protection Booster with improved thickened strong spring, it can lighten up to 50kgs in total from your own weight! It works to support your thighs and calves, effectively reducing the pressure on your knees. Use breathable mesh and non-slip fabric. It is very comfortable whether worn directly wrapped around your bare knees or over your pants. It helps bring back the lightness to your steps and allows you to complete your daily tasks more efficiently. Adjustable straps that fit all sizes of the knee. The strap uses interlocking design, which can be tightly tied to your leg. Use a super hard material to stabilize the spring, which has been tested for safety and reliability, so you don't need to worry about the spring will hurt yourself when it bends. Specification: Material: fabric+alloy spring+ABS Package Size: 31x10x9cm / 12.2x3.94x3.54inch Package Includes: 1pc Knee Pads