Rolltop Rucksack is Rainstake on a cycling backpack. Made from Rainssignature waterproof fabric, this functional backpack has a roll-top closure with an adjustable strap featuring a loop for a bike lock or similar. Rolltop Rucksack has a large main compartment, an easy-access front pocket and a side-access laptop compartment. It is completed with a padded backside, adjustable shoulder straps, a chest strap and original Rains hardware. Roll-top closure with adjustable strap Bike lock loop Front pocket with zipper One main compartment Side-access laptop sleeve Measurements: H 60 cm (open) / H 49 cm (close) x L 31 cm x W 10 cm Volume: 18 liters 50% polyurethane, 50% polyester Fabric column pressure: 8000 mm Water-repellent zipper Padded backside Adjustable shoulder and chest straps