This Viper One Day Modular Pack features a Hydration/coms outlet, Multiple compression straps, Internal mesh pocket to accommodate hydration bladder, Shoulder straps with QR buckles, MOLLE webbing attachments located on exterior pouches including D – Rings, Compatible with Plate Carrier, 1 x large Velcro ID panel, 2 x V-lock, 1 x D-Lock, Capacity 13.5litres (approx), Material 600D Cordura, Dimensions 19 x 20 x 43cm.