Hamamatsu is not only a lightweight. Thanks to the all-round, waterproof zippers, it is also super easy to handle and offers space for a 13-inch notebook, among other things. The water-repellent cotton fabric has a silk matt coating and polishes with use. The lining of the sporty backpack is made of durable polyester. DESCRIPTION main compartment with all-round zipper zipper compartment inside zipper compartment on the front and back padded notebook compartment (13 inch) compartment for mobile phone insert pocket two belt loops handle adjustable, padded straps a/u relief embossing cowhide leather applications water-repellent zippers suitable for DIN A4 durable polyester lining MATERIAL & CARE The light, water-repellent cotton fabric has a silk matt coating that polishes with use. The leather applications are made of cowhide. STYLED WITH CARE: This style is made by hand and in compliance with the BSCI code of conduct in a manufacture with SA 8000 certification. Eco-friendly tanning agents are used for resource-saving tanning of the leather applications. The tannery is certified by LWG (Leather Working Group) with gold status, the highest distinction for sustainably operating tanneries.