Midnight navy performance nylon fabric that is lightweight, water repellent and super durable. Easy access gadget pocket with carabiner in front pocket. Padded safety pocket for eyeglasses & devices on front. Interior padded pockets for laptops & notebooks. Laptop pocket fits up to a 17" laptop. Expandable side pockets perfect for water bottles, umbrellas & more. Comfort padded shoulder straps and roll-aboard belt.