Designed to accommodate the needs of EOD Operations, T3's Hans Backpack is the most versatile backpack on the market today. A large compartment holds 100oz H20 bladder and carries main load for weight distribution, while a smaller compartment holds up to 2 5590 batteries. Side pouches hold either a Nalgene size bottle or a standard C4 Charge. An external compartment is designed to carry a helmet or something of equal size. Plus, there are three ways to carry: shoulder straps, MOLLE and quick connect MOLLE webbing to attach to a plate carrier.