Most waterproof backpacks solve the waterproofing problem by adding a cover over a bag that was never designed for rain. Rains solves it the other way around: by starting with a PU-coated polyester shell, welding rather than stitching the seams, and engineering the closure itself — the signature carabiner rolltop — to create a watertight seal under pressure. The result is a bag rated to 8000mm water column pressure, which means it will handle everything a typical urban environment can produce short of full submersion.

At 23 litres, the Rolltop Rucksack Large lands in the practical middle ground for daily carry. The single main compartment opens wide once the rolltop is unfurled, making packing and retrieval fast. A side-access sleeve fits laptops up to 16 inches without requiring the main compartment to be opened — a detail that matters most when you need your machine at security or a client meeting. A front zip pocket with coated zipper handles the daily essentials. Two side slip pockets cover water bottles or an umbrella. The front D-ring — sized for a bike lock — and the buckle-fastened chest strap signal that Rains designed this pack for city cycling as much as urban commuting.

The airmesh back panel and adjustable compression shoulder straps provide the ergonomic carry that makes a 23-litre pack comfortable across a full day. The matte surface resists dirt and wipes clean. Rains backs the entire bag with a two-year warranty. For the person who wants a weatherproof backpack that looks like a design object rather than a piece of technical equipment, the Rolltop Rucksack Large answers that demand cleanly.