Pro-Force Tomahawk Special Ops - 40ltr for the more dedicated walker, will carry the equipment required for the general trip. This bag has an Airmesh backsystem •Padded hip belt •Chest strap •Zipped access to main and front compartments •Internal hydration bladder pouch •Hydration port, Arial port, Comms port •XTP900D PU coated fabric •40 litre capacity •MOLLE Compatable (MLCS)