Gear Slings are ergonomically shaped, with poly-tubing over the clipping area and a die-cut shoulder pad for maximum comfort. The Multi-Loop Gear Sling Double D is a d ouble-sided version of the Multi-Loop Gear Sling. The Double D attachment is easily removable. It is made with 600d polyester body fabric and a custom aluminum buckle that allows for a wide range of adjustment. Gear Slings are non-structural and are intended for gear racking only.