Thule 23L Subterra Backpack Features Protects your laptop (15" MacBook Pro® or 15.6" PC) in the padded laptop sleeve with SafeEdge construction Protect your tablet in the dedicated storage pocket with soft, interior lining Cords are neatly managed between your device and your mobile charger in the internal PowerPocket Carry comfortably with breathable perforated EVA shoulder straps with mesh covering and padded back panel Stabilize backpack straps and increase comfort with adjustable, removable sternum strap Make traveling easier by securely attaching to rolling luggage using the pass-through panel Padded interior pocket protects your phone, sunglasses or other valuables Convenient organization pockets help you easily locate smaller items Securely keep small items and a water bottle within reach in the expandable, zippered side pocket