1 / 7CamelBak 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.
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| Brand | CamelBak |
|---|---|
| Model | 2575401002 |
| Capacity | 2 liters |
| Weight listed | 144 g |
|---|---|
| Dimensions listed | 9.7"W x 0.98"H |
| Strap type | Shoulder strap |
| Pack compatibility | Designed to hang securely inside hydration compatible backpacks without additional adapters |
| Material listed | Other |
|---|---|
| Color | Clear |
| Closure | TRU Zip Waterproof Closure |
|---|---|
| Filling | Easy Single Hand Filling |
| Backplate | Rigid Backplate Construction |
| Valve | Big 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.

Customer reviews on Amazon
- 5 stars
63% 63% - 4 stars
14% 14% - 3 stars
5% 5% - 2 stars
7% 7% - 1 star
11% 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.

Alternative options

N NEVO RHINO Water Bladder 1L- 1.5L- 2L, Hydration Bladder for Running Vest | Leak - Proof BPA -Free Water Reservoir Storage Bag for Hiking Backpack Bike Pack
$11.36

USA Patent Running Hydration Vest Backpack, Lightweight Chest Pack with 2.0L Water ...
$38.69

Running Vest for Women Men, Touchscreen Phone Holder | 500ml Soft Flask, Lightweigh...
$28.99

Maelstrom Lightweight Hydration Hiking Backpack with 2L/3L Water Bladder | BPA-free, High Flow Bite, Insulated Compartment, Reflective Strip, Utility Pockets, Perfect for Running, Cycling, Marathon
$30.42

Osprey Hikelite 18L Hiking Backpack, Tan OS | daypack, travel daypack, camping pack, rain cover, wet weather carry, Tan color, OS size
$92.95

CLIF Protein Energy Bars, Crunchy Peanut Butter, 11g Protein, 15 ct | Made with Organic Oats, Non-GMO, No High-Fructose Corn Syrup or Artificial Sweeteners, Individually Wrapped, Value Pack
$12.49

Osprey Rook 65L Men's Backpacking Backpack, Gray OS | hiking pack, camping gear, overnight trail pack, Gray color, OS size
$149.95

CamelBak M.U.L.E. 12 Mountain Bike Hydration Pack
$106.50

Gregory 3L 3D Reservoir
$49.95

N NEVO RHINO Hydration Bladder 2L-3L with Bladder Insulator | Water Bladder for Hiking Backpack, Leakproof, BPA-Free, Water Reservoir Hydration Pack for Hiking Running Cycling Skiing
$27.54

UTOBEST Insulated Water Bladder Hydration Bladder For Hiking Backpack | 3-Layer Insulated TPU Body,BPA Free,Insulated tube with Sleeve Cover,360 rotatable Bite Valve,keep water cold up to 12hours
$29.99

N NEVO RHINO 2PCS Insulated Hydration Bladder Sleeve for 2L-3L Bladder | Water Bladder Insulator Bag, Insulated Water Bladder Sleeve Keeps Water Cool & Protects Bladder, Bladder is NOT Included
$16.99

























