OuterStar Molle Backpack Rucksacks Tactical Assault Pack Comfortable Waterproof for Camping Hiking Trekking Climbing Heavy-duty water resistant nylon pack cloth construction and heavy-duty oversized zippers for extra durability Adjustable chest belthip belt and shoulder straps to optimal position and reduce fatigue owing to heavy load effectively Breathable mesh enhances your back ventilation and liner enhances your comfortable The fabric is water resistant,big pocket can contain all of your things when you have outdoor activity