Fully adjustable. Protects arms and shoulder joints. Bad ass piece of equipment! I am new to BlkMkt but I have over 598 sales on Ebay with 100% positive feedback as seller: Militariasales Item Condition: New Used Open Box Public discussion (0) You must log in to send a new comment. BLKMKT is powered by the Sharetribe marketplace platform. Want to create your own online marketplace website like BLKMKT? Learn more.