Outer fabric: spot-like air hole OK fabric, good sweating effect, comfortable air permeability and heat dissipation, so that you can exercise more comfortably. Silicone washer: the silicone washer is embedded in the patella, soft, protective and elastic, and slow the impact force of the patella.Spring support: four springs are placed on both sides of the kneepad to support the leg to relieve pressure, elastic support and memory rebound. High sticky magic sticker: the magic sticker is designed for easy adjustment and comfortable to wear.Widely application: used in weightlifting, basketball, running, jogging, volleyball, gym, tennis, hiking and more. Universal for men and women. Instructions: 1. Stick the kneepad on the knee. 2. Pull the figure-of-eight shape of the tie. 3. Wrap it around the rear and fix it. 4. Adjust the tightness to complete the wearing. Specifications: Product name: knee brace Gender: unisex adults Closure: magic sticker strap Material: OK cloth + silicone + spring Color: green Feature: breathable, adjustable compression Size(approx.): free size(adjustable), length 24cm/9.45inch, thigh circumference 32-44cm/12.60-17.32inch, calf circumference 29-40cm/11.42-15.75inch Package Includes:2 Pcs x Knee Brace Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.