Outerwears Shockwears Shock Cover - Rear/Red 30-1157-03 Manufactured from durable, water repellent, denier nylon. Protects shock shafts, seals and springs from the elements. Heavy duty Velcro strip for easy installation and removal without having to disconnect the shock. Vented to allow cooling air transfer. Keeps sand, dirt and mud out of the adjusting threads of high performance shocks.