Rolltop Rucksack keeps precipitation out when traveling from point A to Z, making it a city staple thatâs perfect for commutes on bike or foot. To protect essentials from rain, fold the rolltop into a tight scroll and secure using the signature carabiner. It also features a side-access laptop pocket, front zip pocket and padded back panel. Cycle-ready features include a front D-ring â ideal for holding bike locks â and a buckle fastened chest strap for a secure ride-proof fit. Rolltop Rucksack is cut in Rainsâ signature waterproof PU fabric, engineered for carrying strength, durability, and a smooth feel. Waterproof