The TAG Youth Single Knee Leg Guard with Velcro Closures features a lightweight, conforming full-shin design with vented ports for additional cooling. A single knee cap, cantilever shin, and elastic strap Velcro system ensure that this guard is easy to take on and off while still providing maximum protection. -Single kneecap. -12" Measurement. -Plastic parts and fabric covering. -Easy to wear with Velcro closures.