TannaGear 45L backpack (Red) Tough water-resistant nylon backpack - sturdy yet lightweight Lots of storage capacity: 45L (over 1.5 cubic feet) of room for the stuff you need to carry on any venture Shoulder and torso straps are made with open cell foam for comfort and air flow; can be adjusted to fit a wide range of body sizes Exterior zippered compartments allow easy access to frequently-used items; dual mesh side pockets for water bottle storage; reflective patches for night hike safety Great for camping, hiking, or even a brisk walk across campus!