The New Oakley Aero Pack Light (Stone Gray) Backpack Bags, male, Bags and Luggage , Bag , Backpack, One Size, true, Organize and hydrate with the best of them with the Oakley Aero Pack Light. Top-zip closure features hydration pack compatibility. Shoulder straps for comfort and ventilation with Ergonomic EVA back panel. Reflective day-pack with cycling helmet storage hammock. Light blinker attachment for evening rides. External features zip-pickets. Lined interior features slip-pockets. 100% polyester. Volume: 13L Imported. Measurements: Laptop Compartment: 15 1 2 in Bottom Width: 9 in Depth: 5 1 4 in Height: 16 1 2 in Strap Length: 34 in Strap Drop: 15 in Handle Length: 8 in Handle Drop: 3 in Weight: 1 lb 3.2 oz