The bag consists of three sections: a waterproof 15-inch laptop pocket, a 4-liter zipped compartment with organization features and a spacious main compartment equipped with a heavy-duty YKK zipper. The bag is expandable from 22 to 30 liters when needed, perfect when carrying a helmet. You can add accessories for additional functions such as a small fleece-lined zippered bag for e.g. glasses, a removable waistband with storage pockets and a sissy bar attachment strap. Kriega provides a full 10-year warranty on the bag. Capacity 26 to 34 liters and weight 1850g.