Trail Rolltop Rucksack is a sporty and utilitarian city staple, 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 an internal padded laptop pocket, front zip pocket and padded back panel. The design is finished with a buckle fastened chest strap for a secure ride-proof fit.....Trail Rolltop Rucksack is cut in Rains? signature waterproof PU fabric, engineered for carrying strength, durability, and a smooth feel.