MATERIAL : 75 Liters. This backpacking backpack is made of 600D Polyester. YKK Zipper.
HYDRATION COMPARTMENT : This hiking backpack with hydration compartment and can hold a 3 Liter bladder , the tube is fed through the top side of the bag near grab handle.
MOLLE WEBBING: This is a military tactical backpack that You can hang on tools,trekking poles,tents,sleeping bags,and other outdoor gear by the molle system. A rifle also can be hanged with the side strap and side pocket.
SIDE POCKET & QUICKLY ACCESS: This camping backpack with 2 side pockets(8"*8") and 2 bigger pockets (7.5"*13.8") that can hold water bottle or camping & survival gear. The backpack has large zipped access at front that can quickly access to the main compartment, opend as a 15.6" luggage.
DURABLE & MULTIFUNCTIONAL:  This 75L molle backpack with chest straps to cope with the weight so that it's well used as a 3 day assault pack,bug out bag,survival backpack,army backpack,trekking backpack or day pack. Suits for hiking,hunting,trekking,camping,climbing,traveling.