The large Black Collection backpack is the right size for extended touring and journeys with a bit more luggage. With the waterproof main compartment and integrated laptop pocket (up to 15"), rain showers are not a problem. The total volume can be expanded from 25 to 30 liters. · High-quality, functional motorcycle backpack · Hard-wearing outside material made of tarpaulin (polyester with TPU coating) and nylon · Main compartment waterproof thanks to roll closure and taped seams · Laptop compartment (up to 15") in the main compartment (waterproof) · Main compartment can be divided by an intermediate base; lower area can be accessed separately · Expansion option (padded) in the lower area for one helmet (up to size 61) · Four outer pockets, splashproof (1 on top, 2 on sides, 1 on front) · Inner mesh pocket in the lid · Ergonomically shaped back section · Adjustable, padded and air-permeable shoulder straps · Length-adjustable chest strap · Removable, adjustable hip strap with two integrated zipper pockets for a smartphone, etc. · Carrying handle on top as well as on the front outer pocket · Water-repellent, rubberized zippers · Two small restraints at the front with quick-release buckles for securing additional external luggage · Including two additional fastening belts with quick-release buckles for attachment to the motorcycle · Reflective material on the shoulder straps and BMW Motorrad reflective print on the front outer pocket · Volume: approx. 25 liters, expandable to 30 liters · Inner lining: 100% polyester · Color: black