Material - This 75L backpacking backpack is made of 600D Polyester - YKK Zipper - Rain cover included 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 ...Material - This 75L backpacking backpack is made of 600D Polyester - YKK Zipper - Rain cover included 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 campingsurvival gear - The backpack has large zipped access at front that can quickly access to the main compartment, opend as a 15.6" luggage DurableMultifunctionalThis 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