FLY 2023 Barricade Lite Elbow GuardsFly Racing Dirt CE Barricade Lite Elbow Guard 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 level 1 ratings. Features: The protective pads feature an array of breath holes to increase airflow Extended upper cuffs and internal silicon gripper bands help with slipping The pads are both soft, lightweight, and low profile 4 way stretch mesh