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Montane Fang 5 Litre Backpack

5 Litres / No Frame
Weighs 256g
Code: SS15341
  • Now £49.99
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  • RRP £74.99
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Montane's Fang 5 is a vest with a rucksack body fitted to the back - this makes it very stable on the body. Also has two 500ml drinks bottles.

Montane says:

Born from a desire to create a trail pack designed for speed, the Fang 5 is unequalled in performance and construction. At its heart is a fully taped water resistant compartment constructed from waterproof RAPTOR Hydroseal fabric to ensure maximum protection for kit. This is surrounded by the new, revolutionary MONTANE Freelight Chassis, which has a stretch body fit that provides unrivalled weight balance when moving fast over rough terrain. The Fang 5’s ingenious design and extreme featherweight ensures it is perfect for training missions or ‘done in a day’ mountain trail runs.

Montane Logo at Ultralight Outdoor Gear| Click here for more info on Montane, product updates and New Season information.

Montane's Fang 5 is a jerkin secured around the waist by a wide elasticated velcro strap. Its a method of tightening the belt which is quick, easy and secure. The hook side of the fastener faces outwards which could hook other clothing if you're not careful. When fastened though there's not much exposed, so its not going to be a big issue.

There are two loops to keep the hipbelt tidy and these can make it tricky to loosen in a hurry - which is a shame because the whole idea is to have an easy to use arrangement.

On the back there's the rucksack body which comprises one main compartment and a smaller pocket. There are also no less than three pockets on the waist belt - made from stretch mesh and good for keeping gear handy.

With the two bottles in place the whole item weighs in at 416grams, with both bottles full of water the weight of the vest is small in comparison and the weight is centred on the shoulder straps, if you have very little other gear this may not be ideal, but if you can balance this load with your 5 litres of cargo it works very well.

- Reviewed by Ultralight Outdoor Gear

Help and advice: Choosing a rucksack at Ultralight Outdoor Gear  


  • Main body fabric constructed from super lightweight RAPTOR Hydroseal waterproof fabric that has a PU inner coating and a silicone outer face
  • MONTANEFreelight Chassis constructed from lightweight CONTACT Flyte Mesh that is fast drying and highly breathable
  • Fully taped internal seams in the main compartment
  • Bound seams on the chassis give stronger, neater edges
  • YKK semi-auto zips that lock hut and are rustle free
  • All zip openings feature zip garages to help prevent weather ingress


  • Technically tailored ergonomic Freelight Chassis vest designed for body hugging load carrying comfort during movement over long distances and whilst running
  • Front stretch Velcro lower body adjustment enables chassis to grip the body whilst running
  • Chassis elastication also allows the user’s rib cage to expand freely for unrestricted breathing during exertion
  • Low profile sternum stretch adjustment with adjustable hook and multiple attachment points
  • 2 x MONTANEcustomised water bottles with unique easy clip to harness for rapid hydration
  • Water bottle is anti-roll, curved to fit to chest
  • Right hand front zipped storage pocket with stretch mesh
  • Lower right and left hand front pockets with stretch mesh
  • Left hand upper chest gear loop on shoulder straps
  • Trekking pole attachment point with low profile ‘penny cordlock’ adjustment that is easy to access whilst on the move
  • Removable whistle accessory for mountain and race safety


  • Two way YKK Aqua Guard MONTANE semi -auto main pocket zip that has been laser cut and bonded into opening
  • External drawcord provides rear pack compression and additional storage with low profile 'penny cordlock' adjustment
  • Hydration bladder pocket behind rear back panel with stretch loops for hydration tube on chassis
  • Top lightweight hang loop
  • Fit: Active Mountain
  • Activities: Fast Alpine / Mountain Walking / Alpine Running / Mountain Marathon / Trail Running
  • Fabric: RAPTOR Hydroseal
  • Back pad: CONTACT Flyte Mesh
  • Zips: YKK Aqua Guard MONTANE semi-auto, YKK Reverse coil MONTANE semi-auto
  • Weighs 256g
  • Bottles weigh 80g each
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