Instinct Evolution / Without Flasks

Members Price $143.96

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EVOLUTION /IːVƏˈLUːƩƏN/ The result and ability to adapt to perpetual changes in environment in order to survive, overcome and achieve.

The Instinct name has been gaining traction in Europe, worn by the likes of Andrea Huser (winner of the Ultra Trail World Tour), Javier Dominguez (winner of Tor Des Geants 2017) and many more top European athletes. Every design decision has been made to optimise storage, accessibility & function with minimal overall body contact. 

The Instinct trail packs are designed to provide a perfect fit, stability in all conditions, adjustability on the fly and customised storage, all in a lightweight, breathable package.

All Instinct packs are One Size, and can be adjusted to fit using the straps on the chest and sides.
The 'With Flasks' option comes with two 600mL Hydrapak soft flasks.


  • Side cross lacing & adjustability for improved fit
  • All adjustments at the front of the pack for easy access on the run
  • 7 of the 8 pockets accessible without removing pack
  • Front hydration pockets sit high for immediate and effortless access
  • Top & bottom horizontal back pockets accessible without removing pack
  • Zipless construction 


2x hydration pockets compatible with a 650mL soft flask / bottle 
2x feed storage pockets
1x shoulder pocket
4x elastic loops & 2 shoulders liners (bladder tube guides).
2x multi-purpose attachment loops.

1x top horizontal, stuff pocket: 750mL storage, accessible without removing bag
1x bottom horizontal pocket
2x overlaying vertical pockets
3x double looped elastics with auto lock for poles

Adjustments & Fitting
2x elastic compression cords with auto lock for top and bottom back pockets
2x “double S” elastic cross lacing with auto lock: side adjustment “on the fly”
2x adjustable chest straps: custom fit vertically and horizontally

 Volume   1 - 7L 
 Weight   210g 
 Sizing   One Size 

 5x front pockets 
 4x back pockets 

SKU InstinctEvolution
Barcode # InstinctEvolution
Brand Instinct

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