Body Bumpers Kids fall, thats what they do and the new RF Sendy Trail knee protects them from the inevitable meeting with the ground. Graded down from our adult sizes, the Sendy Trail knee pads feature certified D3O LP1 Compact protectors which have been designed to protect smaller joints from impact forces. Specs Adjustment Hook and loop upper calf strap Construction Pull-on sleeve design Protection D3O knee pad Ventilation Mesh back panel Gripper Silcone inner thigh and shin print Other Lycra body fabric with Abrasi