Fly Racing Barricade Armour Lite Motorcycle Knee Guard - BlackFly Racing Barricade Armour Lite Motorcycle Knee Guard Feature : FLY Racings HDM (High Density Memory) protectors are made of a special blend viscoelastic foam with memory function allowing for repeat impacts that passes CE EN1621 1 rating to level 1 Hidden stitching prevents fraying and adds to durability The protective pads feature an array of breathe holes to increase airflow Extended upper cuffs and internal silicon gripper bands help with