Best Muon 50 Rucksack Backpacking Rucksacks

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The Muon 50 backpack from Rab blends cutting-edge materials with well-thought-out design, resulting in a pinnacle of innovation. Constructed with incredibly durable and lightweight Spectra® Ripstop fabric, the backpack embodies sustainability by incorporating 85% recycled materials without compromising performance.

Rab says: 

For fast-moving hikers covering long distances with lighter kit, this tough, streamlined 50L pack can be stripped of its lid to shed weight. With ultralight Spectra(R) Ripstop fabric and close-fitting

Our Verdict

The Muon 50 backpack from Rab is a pinnacle of innovation. Constructed from Spectra® Ripstop, a fabric renowned for its exceptional durability and lightweight nature, it embodies the fusion of cutting-edge materials and thoughtful design.

Spectra® Ripstop Technology integrates a robust grid of polyethene fibers within a 210 Cordura nylon structure, yielding a material that is incredibly strong and remarkably lightweight. Moreover, with 85% of its content derived from recycled materials, the Muon 50 is committed to sustainability without compromising performance.

The TRI-FLEX™ carry system, featuring a shaped lumbar pad, wrap-around harness, and supportive hip belt, represents a pinnacle of ergonomic engineering. It is designed to sit snugly against the wearer’s back and facilitates unhindered movement and stability even under heavy loads, ensuring comfort during extended treks. The adjustable hip belt, equipped with a forward pull mechanism, allows for effortless customisation, while the inclusion of ultralight compression straps aids in load stabilisation and versatility.

Practicality defines the Muon 50’s design, with features meticulously crafted to enhance functionality and convenience. The fixed back length ensures a consistent fit, while the adjustable hip belt optimises weight distribution, reducing strain on the back and spine. The removable lid offers adaptability, allowing users to shed excess weight as needed.

The Muon 50 has an array of pockets strategically placed for accessibility and efficiency. From the two pockets in the lid to the large front stash and side mesh pockets, every inch of space is maximised for storage, ensuring essentials are readily available when needed. The shoulder strap pockets are a great addition to the rucksack, enhancing accessibility and permitting quick access to essential items like mobile phones and snacks. This trend of integrating shoulder strap pockets to rucksacks is commendable. However, it’s disappointing that, while the harness-style pockets are appreciated, Rab excluded hip belt pockets from the rucksack design.

Furthermore, the Muon 50 easily accommodates additional gear, featuring external attachment points for walking poles and compatibility with hydration bladders. The thoughtful incorporation of dual exit options for hydration hoses adds flexibility, while the collapsible pole carry system underscores the pack’s adaptability to diverse outdoor pursuits.

In essence, the Muon 50 epitomises the marriage of innovation and practicality, offering outdoor enthusiasts an excellent backpacking experience. Whether embarking on long-distance thru-hikes, overnight excursions, or weekend mountain trips, the Muon 50 is a reliable companion, enabling explorers to push boundaries and maximise their time in the great outdoors.

– Reviewed by Ultralight Outdoor Gear

In-depth Reviews:

• Rab Muon 50L Rucksack Review – ”I was very impressed with the fabric strength at this weight, it doesn’t feel like it’s going to let you down”

Features

• TRI-FLEX carry system for all-day comfort.
• TRI-FLEX carry system is light and stable with wrap around harness construction for optimal comfort
• Shaped lumbar pad and supportive hipbelt provides comfort on long days
• Forward pull hipbelt for easy adjustment and stability
• Removeable lid with internal and external pockets
• Drawstring closure allows pack to expand and compress as your kit changes
• Top compression strap helps to stabilise the load
• 2 harness pockets and 2 large side stash pockets provide on the go storage
• Large front stash provides quick-access extra storage
• Ultralight compression; lower straps ideal for carrying extra equipment
• Collapsible and Z folding pole carry compatible
• 3 litre H2O bladder sleeve with dual exit option

Specifications

• Weight:1062g
• Dimensions:75 x 35 x 30cm
• Volume:50lt / 3050cu.in
• Back Length:19″ / 48cm

Material & Construction

• 100D (85% recycled) high tenacity nylon with Spectra(R) Ripstop
• Main: 100% Nylon, Secondary: 100% Nylon (34% Recycled), Lining: 100% Polyester

Help & advice:

• The Ultimate Guide to Choosing an Ultralight Rucksack
• Time-Saver Guide to Choosing a Rucksack
• About Rab
• Rab Muon Rucksacks
• Rab Backpack Size Guide
• Rab Sustainability and Responsibility