This incredible pack is the Tru-Spec Multicam GI Spec 3 Day Assault Pack. There is an inner pocket for a hydration bladder. The hydration bladder hose is fed out of a secure hole under the rucksack handle. The hydration guide is covered with velcro and an addition fabric for extra durability. The Multicam 3 Day Assault pack has a slant zipper front pocket that has M.O.L.L.E. attachment points on it. It also has velcro hook and loop for attaching your rank and name tape.
This Multicam assault pack has another zipper pocket on the top of the pack. This storage compartment goes the full depth of the pack. Additionally, the main compartment also has a zipper to access this compartment and the hydration sleeve. All three zipper have cord zipper pulls in coyote tan. There are MOLLE attachment points on both sides as well as on the bottom of the assault pack.
The rucksack's should straps are nicely padded for extra comfort. It also includes a lightly padded waist strap and an adjustable sternum strap.
1000 Denier Nylon Construction
Loop Strips for Name and Rank Tapes
Padded shoulder and waist strap with adjustable sternum strap
20" tall X 12" wide X 8" deep
Here is a video that shows all the details of the bag.