Ride Adventure - Scoyco Knee/Shin Guard is the best quality product.The knee has free size and this one size with elastic velcro to fit all sizes - this knee/shin guard is designed to cover the frontal leg facet and tie the guard via velcro strap to the back of the leg. The Knee/Shin Guards are made of hard high impact plastic with vacuum Plastic for 100% protection. These set of 2, Knee Guards have soft foam padding with properly engineered design for easy knee movement. The extra cushion on the rear side acts shock absorbent and also gives comfort. The velcro elastic strap are given perfect fit - the straps are made of good quality with velcro fitted with makes it fit firmly and perfectly to your legs. This is a highly used product by bike enthusiasts, biker lovers and biker boys who go love their bikes Royal Enfield Bullet Standard 350, 500, Classic 350, 500, Desert Storm, Electra, Thunderbird 350, 500, Avenger, Pulsar, KTM, Harley Davidson, Yamaha FZ, R15, CBR, Ninja, Apache, Hayabusa and other bikes.