MATERIAL- 35 Liters. This military backpack is made of 600D polyester. YKK Zipper.
HYDRATION COMPARTMENT- This assault pack with hydration compartment and can hold a 2.5 Liter bladder, the tube is fed through the top of the bag near grab handle.
MOLLE WEBBING- This rucksack can hang on small items, or for attaching additional pouches or gear. Backpack also has 4 molle hooks underneath to strap a bedroll, tent or anything else.