Unigear Military Army Patrol Molle Assault Pack Tactical Combat Rucksack Backpack Bag Gear for Camping, Hiking, Trekking, Sports, Climbing, Travel (Black/Small) MADE FOR THE TOUGHEST OF TERRAINS: Tactical backpack made of Rugged Weather Resistant 600D high Scratch-resistant, good toughness; High strength nylon buckle, cold-resistant, high temperature Double Stitched Modular MOLLE System Throughout The Bag and Shoulder Strap To Add On Additional Adjustable shoulder strap, chest belt and hip belt for heaving loading. Great ideal for running, Hydration backpack water bladder lets you easily sip on the go with a removable 3L BPA free bladder.