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REI Double Shot Waistpack

Castlerock/Grey Mist
Castlerock/Grey Mist

This product is no longer available, but don't go just yet.


  • Pack features 2 BPA-free 21 fl. oz. water bottles and an expandable zippered pocket—perfect for pursuits requiring significant hydration capacity without the bulkiness.
  • Highly breathable air-mesh belt holds 2 water bottles in molded foam pockets; lightweight compression system helps stabilize the load and reduce bouncing
  • Also, the hipbelt webbing system adjusts easily with a quick forward pull for improved ergonomic use
  • Zippered pocket features an expandable panel with key-keeper clip to adjust to your storage needs
  • Features 2 hipbelt pockets for carrying energy gel packets or other small items
  • Comes with 2 BPA-free 21 fl. oz. water bottles with wide-mouth openings for easy filling; made from LDPE
  • Water bottles are compatible with most water bottle cages on bikes


View all REI Hydration Waistpacks

REI membership


Best Use Running
Gear Capacity (L) 2 liter
Gear Capacity (cu. in.) 122 cubic inches
Liquid Capacity (L) 1.24 liter
Liquid Capacity (fl. oz.) 42 fluid ounces
Weight 14 ounces
Weight - Metric 0.4 kilograms
Fits Waist/Hips Up to 42 inches
Material(s) Ripstop nylon
Pack Access Panel
Number Of Exterior Pockets 3 + main compartment
Dimensions Unavailable
Gender Unisex

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REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

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