The Cotswold Aquarius RS335 System Rucksack is the first of a new generation of Cotswold Aquarius luggage, combining British craftsmanship with modern modular design. Despite its compact frame, the base backpack offers 33.5L of total storage spread across a spacious main compartment and four external pockets, making it suitable for a finely tuned kit list while remaining easily expandable for longer sessions. Thanks to the Molle Attachment System, the backpack can transform into a multi-day option using Cotswold Aquarius's bespoke range of System Attachments, sold separately. The bag is built around the official MOLLE (Modular Lightweight Load-carrying Equipment) webbing standard, so any MOLLE-compatible gear attaches securely and neatly to the exterior. Between the side and front pockets, custom fittings accommodate exclusive Brew Tubes — padded, insulated, and easy to access, ideal for brew kits, stoves, hooks baits, spare spools, bottles, or flasks. Comfort has been redefined for this size of pack through extensive testing and customer feedback: - Increased padding for long-wear comfort - Refined strap placement for balanced weight distribution - Exclusive tensioning buckle system for instant on-the-go adjustment Every backpack is designed, developed, cut, and assembled in Cotswold Aquarius's UK workshop, built to last and backed by the "Luggage for Life" guarantee, with the brand's signature attention to detail.