So you need a backpack but not sure it can hold all of your stuff? Consider the Everlane Snap Backpack which can hold ten 20 oz water bottles, 12 Macbook Airs, 35 folded white t-shirts, and 42 Granny Smith Apples.  Everlane has got you and whatever is on your back covered.

© Everlane
© Everlane