Wonzone Adjustable Breathable Knee Pads Knee Patella Support (1 Sleeve) Size9.8W*19.7Linch,fit leg circumference at 38-58cm/14.9*20.8 inch Wear comfortable, good protection and good permeability, hardwearing, very suitable for long-term use. Work closely to ensure the knee pad firmness, enhance the service life. Good flexibility with theVelcro, adjustable, can be adapted to most of the crowd, wearing more comfortable. Kneepads Velcro, adhesive strength of solid and reliable, hard to fall off.