Rolltop Rucksack is a city staple, perfect for commutes on bike or foot. The look is characterized by a tactile strap, signature carabiner and rolltop opening. The waterproof bag also features a side-access laptop pocket, front zip pocket and padded back panel. Cycle-ready features include a front D-ring ? ideal for holding bike locks ? and a buckle fastened chest strap for a secure ride-proof fit.....Rolltop Rucksack is cut in Rains? signature waterproof PU fabric, engineered for carrying strength, durability, and a smooth feel.