The NcSTAR Vism Tactical 3 Day Pack (Black) is big enough to get all of your gear where you want it to go. The Tactical 3 Day Pack has a huge 1870 cubic inch main compartment and two side compartments, plus a rear compartment for your hydration bladder (hydration bladder not included). The expandable bottom pouch unzips revealing an additional 561 cubic inches of storage space. The PALS webbing on the front and sides allow you to add any additional gear or pouch you may want to take with you. This unit also includes padded and adjustable shoulder straps and waist strap for extreme comfort and a perfect fit.