The Curve (RS-7) is specially designed to work with BlackRapid"s MODS system. It features attachment points so you can customize your strap with your choice of storage and other features. It"s constructed for extreme durability. The strap includes a FastenR (FR-3) and ConnectR (CR-2). • 1680D PU Ballistic Nylon • Topside Grey: 600D PVC Polyester Cordura • Bottom:1cm Foam Pad w/ fused Knitted Mesh • Strap length with pad: 160cm (63") • Length of shoulder pad: 37.5cm (14.8cm) • Width of shoulder pad: 6cm (2.4") • Width of webbing: 2.5cm (1") • Net Weight: 5.7oz