Features: Come with a 2.5L backpack and two 450ml water bladder. Almighty multi-pockets design, 4 front pockets, 2 side pockets and 1 back pocket keep your necessities handy. Keep you hydrated and refreshed in long time journey with the two water bladders. Made from tear resistant nylon fabric for extreme light weight and durability. Reflective strips enhances visibility and safety. Chest strap adjustment system for a custom fit. Perfect choice for running, cycling, mountaineering, hiking, fishing, cross-country and other outdoor activities.