Bagland Camping Hiking Travel Sport Yoga Bag School Backpacks Composite Dual side pockets for umbrella and water bottle. Dedicated laptop compartment holds most laptops with up to 14-Inch screens, including 13-Inch and 15-Inch MacBooks. Exterior materials are water-resistant Air mesh on the shoulder straps and lumbar pad provides comfort and breathability. The front pockets can hold your retina display and Apple iPad easily, along with books, pencils, notebooks, and anything else you may need while on the go.