The backpack features a combination of grained calfskin, suede, and rip-stop nylon. It includes an adjustable drawstring closure protected by a large flap pocket, along with additional front pockets for storage. flap and drawstring closure adjustable shoulder straps handle outside pockets with flap, magnetic snap and zip internal compartment with zipper water-repellent lining grained calfskin, suede and rip-stop nylon