1. Lightweight and breathable, cutout straps pressurized close to your knees 2. High elastic cut-out straps, light and beautiful, moderate pressure and comfort 3. Scientific fabric ratio, care for delicate skin 4.3D knitted fabric is comfortable, breathable and pressurized, and it is comfortable to wear all seasons 5. Wrap around the knees in all directions, close to the leg socket tightly wrapped comfortable and not tight pakege 1 pcs Knee Support Coller..1.sky blue..2.purple