evo.com | Dakine Day Packs > The Dakine Campus Premium 28L Backpack takes the Campus's iconic organizational design and upgrades the materials throughout, resulting in a 28-liter everyday pack that carries a laptop and shows up looking noticeably more refined than a standard school bag. A step up in material- and build-quality that you notice every time you reach into it. Ergonomic Foam Backpanel and Shoulder Straps with Breathable Air Mesh Dual Large Main Compartments 83% Recycled Polyester / 11% Polyester / 6% Nylon 19.29 x 12.99 x 7.87in [49 x 33 x 20cm] Back Panel Security Pocket with Zipper Closure | Dakine Campus Premium 28L Backpack 2027 - 28L in Gray | Nylon/Polyester