100% ballistic poly. Two front pockets. Main compartment has a water bottle holder and mesh organizer. Fully adjustable shoulder straps. Side zipper allows quick access to pack interior. Metal OGIO zipper pulls with webbing. High-density O heat transfer. Laptop sleeve: 12"h x 9"w; fits most 13" laptops. Dimensions: 16"h x 9"w x 5.7"d