NWT Rains Waterproof Rolltop Rucksack Laptop Backpack In Metallic Grey Unsex bag Version W3. Rolltop Rucksack keeps precipitation out when traveling from point A to Z, making it a city staple that's 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 - ideal for holding bike locks, and 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. Features: - Rolltop opening with snap compression, to be securely closed and fastened to protect from rain - Signature carabiner closure - Single main compartment - Front pocket with coated zip - Padded air-mesh back panel - Side-access laptop pocket fits 16" device - Adjustable padded backstraps - Webbing carry handle - Adjustable chest strap W3 Water Performance Level: Waterproof protection from light rain. Specs: Material: 100% polyester with polyurethane coating Lining: 100% polyester Waterproof rating: W3 - Waterproof protection from light rain Water column pressure: 8000mm Measurement: H48 x W32 x D11cm / H18.8 x W12.6 x D4.3 inches Volume: 13 liters / 4.3 gallons Weight: 835 G / 29.5 oz.