W4 Rolltop Rucksack DriftRolltop Rucksack is a dependable city staple that's suitable for commutes on bike or foot. Characterized by a rolltop opening and cycle ready incorporates. Rolltop Rucksack is carefully designed to keep precipitation out when traveling from point A to Z. To protect essentials from rain, fold the rolltop into a tight scroll and secure using the signature carabiner. Open the rucksack to reveal a single main compartment.