Rab Muon 40L Backpack Ain't No Mountain High Enough The Muon 40L Backpack is built for hikers who crave speed and efficiency on the trails. With its ultralight design and durable construction, this pack keeps you comfortable during long days on the move. Whether you're an avid hiker or ultralight backpacker, you can carry all your essentials without feeling weighed down. Designed for comfort, stability, and versatility, this pack is ready for any adventure. Features Ultralight design: crafted from 100D high-tenacity nylon with Spectra(R) Ripstop, offering durability with minimal weight Flexible carrying, light and stable wrap-around harness construction for optimal comfort Roll-top closure expands and compresses for versatile gear storage Ample storage with two harness pockets, two large side stash pockets, and a large front stash pocket All day hydration with a sleeve for a 3-liter reservoir Ultralight compression straps and low gear loops designed for carrying extra equipment like roll mats MFG#: MUON40-001SPECIFICATIONSIntended Use Backpacking Volume40 LWeight2 lb 2 oz / 950 g Dimensions25. 5" x 13" x 11. 8"Back System Contoured back panel Back Length19"Materials Nylon ripstop Hydration Compatible Yes | Rab | Muon 40L Backpack | Nylon