Mountain Hardwear Fluid Race Pack

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State-of-the-art ultra running pack. An incredibly light, stable essentials pack with plenty of easy access pockets. Lightweight fabrics and breathable mesh on the shoulder straps and back paneling keep you dry. The On-The-Fly compression system stabilizes the load and can be activated while moving.

This lightweight hybrid vest/pack offers ultra-runners a stable carry for the long haul with plenty of secure pockets.


  • Cool, wicking mesh in contact areas on shoulder straps and backpanel
  • Comfortable, very low-profile, wide vest-style shoulder straps distribute weight effectively
  • Remarkably stable load control with OTF (On-The-Fly) compression system is easily activated while wearing the pack
  • Four easy access pockets of varying sizes on shoulder straps keep necessary items in reach
  • Essential race gear fits in aptly sized main compartment with internal security pocket and key clip
  • Trouble-free hydration reservoir access in dedicated zippered pocket with dual ports
  • Bungee setup allows for overloads and compression
  • High visibility, safety reflective hits on rear and front


- Mountain Hardwear


Weight 9.9 oz / 280 g 10.1 oz / 285 g
Torso Range 16-19 in / 41-48 cm 18.5-22 in / 47-56 cm
Capacity 240 cu in / 4 L 300 cu in / 5 L

Mountain Hardwear Fluid Race Pack


The Mountain Hardwear Fluid Race Pack is not available from the stores we monitor. It was last seen March 24, 2014 at

If you're looking for a new daypack (under 2,000 cu in), check out the best reviewed current models.