This is an awesome backpack that is ideal for cycling/biking and hiking as it's lightweight, adjustable, conformable to wear, can hold a lot, and survives inclement weather. 

Details:

- A water-resistant backpack for outdoor commutes to the office

- Reflective front pattern

- Roll-top closure with 9-hook latch protects electronics

- Front pocket with reflective print keeps you visible

- FlexVent suspension maximizes comfort and ventilation

- Fleece-lined laptop sleeve protects against bumps and fallsVolume

- Volume: 30L (1831cu in)

- Pockets:

[external] 1 front stash, 1 zippered stash, 1 zippered security, 1 water bottle, [internal] 1 laptop