Nitron 18 Rucksack

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For fast-paced day hikes where agility and minimalism are key, the Rab Nitron 18 stands out as a reliable companion.​

Rab says: 

This is our definitive, streamlined pack for minimalist day hikes and moving at pace on technical trails. Built with a comfortable vest-style harness and malleable, body-hugging back system, it remains stable and enables dynamic movement on all terrain. With a lightweight, modern design and on-the-go access to pockets, it keeps you pushing onwards without holding you back.

Our Verdict

Weighing approximately 500g, this lightweight pack offers an 18-litre capacity—ample space for essentials without adding unnecessary bulk. The body-hugging harness ensures a secure fit, enhancing stability on technical terrain, while the moulded back panel provides comfort and flexibility during dynamic movements.​

Storage is thoughtfully designed. The panel-loading main compartment allows easy access to gear, complemented by a front stash pocket for items like a waterproof jacket or map. The harness features a flask stash pocket for quick hydration and a secure zipped pocket suitable for valuables like keys or a phone. Additionally, the pack is hydration-compatible, accommodating up to a 3-litre bladder for extended outings.​

Pole management is well-addressed with on-the-go z-pole attachments and standard walking pole carries, offering versatility for varying trail conditions. Constructed from durable materials with reinforced areas, the Nitron 18 balances lightweight design with resilience.​

Overall, the Rab Nitron 18 is a streamlined, stable pack for those seeking efficiency and comfort on the trail.

– Reviewed by Ultralight Outdoor Gear

Features

• Body hugging harness for close fit and mobility
• Moulded back panel for comfortable and flexible fit
• Panel loader with zipped entry
• Flask stash harness pocket for quick grab water breaks
• Double chest strap for added security on high pace pursuits
• Secure zipped harness pocket for easy access on the move
• Front stash pocket
• On the go z-pole attachment
• Additional standard walking pole carry
• Hydration compatible-fits 3L bladder

Specifications

• Small weighs: 486g
• Medium weighs: 522g
• 19″ / 48cm

Material & Construction

• 100D ROBIC® Nylon Ripstop with Hydrosheild Coating
• 70D X 140D Nylon with TriShield Coating
• Main: 100% Nylon, Lining: 100% Polyester

Help & advice:

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