Roomy backpack made with well constructed?? sturdy and durable waterproof 1680D ballistic nylon. Fully padded including bottom area of laptop compartment and protect with VELCRO prevent laptop falling out easily.</br>1.6 pounds lightweight(46% lees weight than Macbook Air 13" but spacious(20L). Compatible with most up to 15-inch laptop tablet PC Ultrabook Chromebook. SECURITY. Reflective stripe helps cars notice you while walk at night. Double zipper with hole on main and mid compartment for anti-theft padlock(padlock buy separately).</br>12 compartments: Padded main compartment*1(11*16.5*5.3 inch) | Tablet pocket *1(8.1*8.3inch) for up to 9.7 inch iPad Pro Air | Interior mesh compartment*1(9.1*11.2 inch) | Middle compartment*1(9.5*15.4*2.4 inch) | Zippered interior pocket*1(8.3*14.2 inch) | Organized pocket for 4 and 5.5 inch cell phone*2 | Padded Velcro pocket*1 | Quick access front pocket*1 | Secure mesh side pocket for Nalgene OTF water bottle 24 oz.(bottle diameter: 2.75 inch).</br>COMFORT. Functional design for everyday carry | Padded adjustable shoulder straps for comfy wear | Suitcase friendly trolley handle belt | Ergonomic airflow system provides extra breathable cushion for extra back support | Padded top handle.</br>Sturdy construction and high quality back support cushion padding zipper appreciated by customers.</br></br>Product Description</br></br>(2017 New Year OFFER) XPLORER is simply a no-frills EDC backpack?? best for commute?? travel?? business?? college??