Viper One Day Modular Pack Black Capacity: approx. 13.62L Large main compartment with internal mesh pocket to accommodate hydration bladder and 3 hydration hose/antenna outlets covered with elastic nylon patches Small front zip pocket with large Hook-and-Loop ID panel, Viper rubber Hook-and-Loop patch (included) and embroidered Viper logo above. Grommets on all compartments for drainage Adjustable shoulder straps with QR buckles. Multiple compression straps. MOLLE webbing attachments and D-rings. 2 x V-Lock. 1 x D-Lock Material: 600D Cordura. Dimensions: 19x20x43cm (7.4"x7.8"x16.9"). Weight: 635g