Troy Lee Designs Stage Pro Elbow Guards – Black X-Small/SmallTroy Lee Designs Stage Pro Elbow Guards Black X Small Small. Stage Pro Elbows lightweight contoured design makes elbow protection as easy as slip it on and go. A D3O CE Level 2 impact absorbing insert allows flexibility while TLD Air Channels maximize airflow for comfort. D3O Diablo CE Level 2 protection certified to EN 1621 1: 2012 Slim lightweight fit with technical cuffs and durable lycra body Integrated Air Channels and Pad Anchor system by Troy