instinct trail running available from Fast and Light


From 82.60 CHF to 114.60 CHF

EVOLUTION : from 20km to Ultra distances!

The ultimate minimalist solution for Ultra distance racing.

The EVOLUTION offers extreme versatility while achieving minimal body contact. It perfectly adapts to your different training & racing needs.

  • Volume: 7L
  • Weight: 210g
  • Size: One Size

[ Price variation : without or with soft flasks ]

With 2 Soft Flasks
Include 2 x 600ml HydraPak Soft Flasks

In stock


from 20km to Ultra distances!

  • Compact, light & breathable, the EVOLUTION goes unnoticed.
  • Extendible, its volume varies and responds to the requirements of an Ultra.
  • Whether it be water bladder, bottles, or soft flasks, the choice is yours.

High sitting, the EVOLUTION allows immediate & easy access to hydration, feed, poles & adjustments.

Adjustable front sternum straps and our unique side elastic lacing system allow for a custom fit to almost any body type.
Discover stability, liberty of movement, immediate access to storage and unconstrained breathing.

Optimal positioning of pockets & adjustments for natural, effortless & intuitive access.
Lightweight & breathable honeycomb mesh ensures ventilation and sweat dissipation without sacrificing strength or reliability.


  • 2x 650ml hydration pockets + elastic compression cords with auto lock. Sits high for immediate and effortless access.
  • 2x 600ml feed storage pockets + internal elastic cord : extra large storage and easy access (right: 1 hidden pocket // left: 1 overlaying pocket).
  • 1x 100ml shoulder pocket + non-stretch internal cord ring + whistle + elastic for upper pole attachment. Pocket for your safety essentials and more.


  • 1x 800ml top horizontal pocket + elastic compression cord with auto lock. Easily access your rain gear right from the first drop without removing bag!
  • 1x 1.5L bottom horizontal pocket. Central access to safety kit, headlamp(s), gloves, arm warmers …
  • 2 overlaying vertical pockets totalling 1.5L + closing buckle + velcro strap. Double main compartment. Water bladder compatible 1.5L.


  • 4 carrying options. Front: vertically right & left // Back: horizontally, vertically or diagonally.


  • 2 adjustable chest straps mounted on 20cm sliders = custom fit vertically and horizontally
  • 2 double “S” elastic cross-lacing with auto lock: “on the fly” side adjustment!
  • 1 elastic compression cord with auto lock for top back pocket.
InStinct contents EVOLUTION 7L 2020 US
InStinct Web Focus EVOLUTION back 1 2020 trail race vest Fast and Light CH 1
InStinct Evolution Dimensions Fast and Light CH
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Shipping & Delivery
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Free postage in Switzerland and Europe is offered for all purchases over 60 CHF.

Switzerland: We ship with Swiss Post Economy, which usually arrives in 2 working days.

Europe: We ship with Swiss Post Economy, which usually arrives in 5 working days.

For larger packages such as skis we may use a different courier services.

Please see country options at checkout to see which countries we currently ship to.

For any orders outside of Switzerland and Europe, expect to pay customs duties, import paperwork and the country destination VAT.