100% recycled polyester dobby. Back panel and shoulder straps are padded for comfortable carrying. Multiple pockets provide organized small-item storage. Zippered main compartment offers spacious and secure storage. Plush-lined, zippered pocket for headphones or electronics. Padded sleeve safely stores a laptop. A water-resistant coating on bottom panel helps keep gear dry. Laptop sleeve fits most 15" laptops. Dimensions: 18"h x 12"w x 7"d; Approx. 1,465 cubic inches