Instinct Ambition 4.5l Pack

Instinct Trail France


| /

4.5 litre running hydration solution

Audacious, racy & performance oriented, the Ambition will accompany you in almost any race from 10 to 70km. Perfectly balanced & easily forgotten, it offers extraordinary freedom of movement. Trail enthusiasts & elite Ultra runners; a new trail starts here!


  1. Optimized storageaccessibility, function, with minimal overall body contact.
  2. Experience outstanding stabilityliberty of movement & instant adjustability.
  3. Achieve lightweight, flexible & ultra breathable solution without sacrificing strength or reliability.
The three DNA pillars:
  • Ergonomics
    • Perfect fit.
    • Stability in all conditions.
    • Unconstrained breathing.
    • Adjustability on the fly.
  • Function
    • Customized storage of equipment,åÊhydration & feed during any distance.
    • Lightweight & breathable without sacrifcingåÊstrength or reliability.
  • Intuition
    • Optimal positioning of pockets & adjustments for natural, effortless & intuitive access.

Pockets & Solutions

  • 2 hydration pockets 600ml + elastic cord with auto lock.
  • Sits high for immediate and effortless access.
  • +650ml soft ask and bottle compatible.
  • 2 feed storage pockets 600ml
  • Extra-large storage and easy access.
  • Right: +1 hidden pocket
  • Left: +1 overlaying pocket
  • 1 shoulder pocket+100ml
  • + non-stretch internal cord ring + whistle.
  • + Elastic for upper pole attachment.
  • Safety essentials and more...

Pockets & Solutions

  • Top horizontal pocket +600ml + loop locking system.
  • Easily access your rain gear right from the first drop!
  • Bottom horizontal pocket+600ml.
  • Central access to your safety kit, headlamp(s), gloves, arm warmers
  • Vertical pocket +800ml
  • + closing buckle.
  • Perfect for your rain pants, long sleeve tee.
  • Option for carrying poles.

Adjustments & Fitting

  • 2 "Double S" elastic cross lacing with auto lock.
    • Side adjustment "on the fly".
    • Vest stability and perfect fit guaranteed.
  • 2 adjustable chest strapsåÊwith buckles mounted on 20cm sliders.
    • Easy lock & release in any weather conditions.
    • Custom t vertically and horizontally.
  • Length adjustment of elastic cords.åÊ
    • The plastic end caps can be disassembled:
    • Carefully remove the top portion with the use of a blade.
    • Adjust to desired length and cut excess cord.
    • Re-position top onto end cap until clipping into place.


  • 5 pole attachment options
    • For 2, 3, 4 or single section poles !
    • Front : vertically right & left.
    • Back : horizontally, vertically or diagonally.
    • Directly in vertical pocket


    Collections: Backpacks all, Backpacks running

    Category: backpacks running, Instinct

    Type: Backpacks

    Don't miss a thing!

    Let us keep you in the loop - we promise it's just between us!