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Product guide

CamelBak Fusion 2L Hydration Reservoir, Model 2575401002

Model: CamelBak Fusion is a 2-liter hydration reservoir with a TRU Zip waterproof closure, designed for use in hydration-compatible backpacks. Its integrated handle and pinch grip are intended to make filling easier, while the rigid backplate is designed to help maintain shape and simplify cleaning.

At a glance

  • The integrated handle and pinch grip are designed for one-handed filling at sinks, fountains or refrigerators.
  • The rigid backplate is intended to retain the reservoir's shape and make cleaning easier without an internal baffle.
  • The Big Bite Valve is described as providing strong flow per sip, with a self-sealing design to help reduce drips.
  • The listing describes compatibility with hydration-compatible backpacks without additional adapters.
Price
$44.99Save 25%

Reference price: $60.00

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • The 2-liter capacity suits buyers looking to carry water in a compatible backpack reservoir pocket.
  • A rigid backplate and stated baffle-free cleaning design may simplify handling and cleaning.
  • The filling handle and pinch grip are designed to make refills easier with one hand.

Technical specifications

13 specifications
Identity and capacity
BrandCamelBak
Model2575401002
Capacity2 liters
Dimensions and installation
Weight listed144 g
Dimensions listed9.7"W x 0.98"H
Strap typeShoulder strap
Pack compatibilityDesigned to hang securely inside hydration compatible backpacks without additional adapters
Materials and appearance
Material listedOther
ColorClear
Features
ClosureTRU Zip Waterproof Closure
FillingEasy Single Hand Filling
BackplateRigid Backplate Construction
ValveBig Bite Valve delivers a strong, consistent flow per sip with a self sealing design to help reduce drips

What to know before buying

  • Customer feedback is mixed on zipper behavior and fit, including reports of the zipper opening unexpectedly and the reservoir feeling too wide. Consider these reports when relying on the closure or fitting it into a particular pack.

What’s in the box

Included
  • Fusion Reservoir
  • Packaging

Who is it for?

A good fit for

  • Hikers, cyclists, runners and other users who need a 2-liter reservoir for a hydration-compatible backpack.
  • Buyers who prioritize a shaped reservoir and a design intended for easier filling and cleaning.

Less suited to

  • Buyers seeking a complete backpack rather than a replacement or standalone hydration reservoir.
  • Anyone who needs a reservoir with a guaranteed fit in a specific pack without checking its dimensions and hanger arrangement.
CamelBak Fusion 2L Hydration Reservoir, Model 2575401002 · photo 2
Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 111 ratings
  • 5 stars63%63%
  • 4 stars14%14%
  • 3 stars5%5%
  • 2 stars7%7%
  • 1 star11%11%

Customer feedback highlights positive impressions of capacity, filling, quality and functionality. However, zipper experiences are mixed, with reports of unexpected opening, and fit feedback includes reports that it is too wide. These concerns matter when depending on the closure during transport or matching the reservoir to a particular pack. Aggregate ratings are generally favorable but do not resolve those specific fit and zipper concerns.

Positive themes

  • Customers describe the capacity as useful and filling as easy.
  • Customers report positive impressions of quality and functionality.

Negative themes

  • Some customers report leakage-related concerns.

Mixed feedback

  • Zipper experiences range from praise for the design to reports of it opening unexpectedly.
  • Fit feedback is mixed, with some customers finding it too wide.

Frequently asked questions

What is the reservoir capacity?

The listed capacity is 2 liters.

Will it fit any backpack?

The listing says it is designed for hydration-compatible backpacks without additional adapters. It does not establish a fit for every pack, so check your pack's reservoir space and hanger arrangement.

What is intended to make filling and cleaning easier?

An integrated handle and pinch grip are intended to support one-handed filling. The rigid backplate is described as maintaining shape and simplifying cleaning without an internal baffle.

What do customers report about the zipper and fit?

Feedback is mixed. Some customers praise the zipper design, while others report unexpected opening, and some describe the fit as too wide.

CamelBak Fusion 2L Hydration Reservoir, Model 2575401002 · photo 3
Additional product photo 3

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