Mountain Hardwear Fluid 18

Keep the essentials close with the Mountain Hardwear Fluid 18 pack. It’s lightweight and super breathable for comfort on the trail.

  • On-the-fly compression lets you adjust load stability while wearing the pack
  • HardWave framesheet keeps the back panel flat for a stable fit without reducing flexibility
  • Breathable mesh back panel with air channels offers great breathability to help keep you cool and dry
  • Soft-edged shoulder straps with ventilated foam are comfortable against bare skin
  • Stretch compression pocket on the front accommodates a helmet or extra clothing
  • Zipper-free sleeve holds a reservoir up to 3 liters in size (reservoir not included) and makes it easy to refill for convenient hydration on the go
  • Zippered pocket on top is easily accessible for snacks and other small items
  • Internal pocket is fleece-lined for sunglasses, electronic devices or other small, fragile items; front panel organizer pocket holds keys, wallet and other valuables
  • Zippered mesh pockets on hipbelt keep energy bars or other essentials handy; stretch-woven side pockets hold water bottles, gloves and hats
  • The Mountain Hardwear Fluid 18 pack is made of 100- and 315-denier?Cordura® nylon and ripstop nylon panels


  • mountain h fluid 18 back
  • mountain h fluid 18 back