# CamelBak Mil-Spec Crux Long Reservoir, 1944001003

The CamelBak Mil-Spec Crux Long Reservoir \(1944001003\) is a replacement-style hydration reservoir with a claimed high-flow design, a wide refill opening and a shutoff lever. Its listed weight and TPU construction may suit buyers who need a reservoir for an outdoor or tactical setup, while reported mixed experiences with leakage merit attention.

- [Original product page](https://best-deals.pro/product/camelbak-mil-spec-crux-long-reservoir-1944001003)
- [View offer](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
- Market: US
- Language: en-US
- Currency: USD
- Brand: CamelBak
- Model: 1944001003
- Category: Sports & Outdoors &gt; Camping & Hiking
- Price: 45.71 USD
- Previous price: 61.75 USD
- Discount: 26%
- Price checked: 2026-11-14T19:18:15.357Z
- Rating: 4.7 / 5
- Reviews: 455

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The Crux design is claimed to deliver increased water flow per sip.
- A wide-mouth opening and quarter-turn cap are described for refilling.
- An integrated shutoff lever is intended for one-handed flow control, including while wearing gloves.
- An internal baffle is claimed to reduce sloshing by spreading water more evenly.
- An ergonomic fill handle and wide opening are described as aids to filling and cleaning.

## Pros

- The listed 100-fluid-ounce capacity and 3-liter tank volume suit buyers seeking a larger reservoir.
- The wide opening and fill handle are designed to simplify filling and maintenance.
- A shutoff lever provides an accessible way to turn water flow on or off.

## Specifications

### Identity
- Brand: CamelBak
- Model: 1944001003
### Dimensions and installation
- Weight listed: 5.1 ounces
- Dimensions: 9.45"W x 17.72"H
- Strap type: Shoulder Strap
- Pocket description: Utility Pocket
### Capacity and use
- Capacity: 100 fluid ounces
- Tank volume: 3 liters
- Sports: Outdoors, Tactical
### Materials and features
- Material listed: Thermoplastic Polyurethane \(TPU\)
- Color: Brown
- Additional feature: Insulated

## Before you buy

- The listing gives capacity as both 100 fluid ounces and 3 liters. These are not identical quantities, so confirm which figure applies to the selected reservoir. Customer feedback also includes mixed reports about leakage, making secure closure and handling worth checking during use.

## In the box

- Hydration reservoir (Included)

## A good fit for

- Outdoor and tactical users seeking a long-form reservoir with a listed capacity around three liters.
- Buyers who value a wide refill opening, fill handle and one-handed shutoff control.

## Less suited to

- Buyers seeking a complete hydration backpack, since the listed included component is the reservoir.
- Anyone who needs leakage performance to be assured by the listing alone, given mixed customer feedback.

## Customer feedback

Customer feedback highlights perceived quality, durability and function, while leakage experiences are mixed and include reports of leaks. For buyers considering the listed 100-fluid-ounce, 3-liter reservoir, the positive impressions are encouraging but do not settle how reliably a particular unit seals. The aggregate ratings lean positive, but ratings alone do not explain individual experiences.
- Positive themes: Customers are described as finding the reservoir well made and durable.
- Positive themes: Some feedback describes it as working well.
- Mixed feedback: Leakage feedback is mixed, with customers reporting issues with leaks.

## Frequently asked questions

### What capacity does the listing give?
It lists 100 fluid ounces and also gives a tank volume of 3 liters. Because those figures differ slightly, confirm the capacity for the selected listing.
### Does this include a backpack?
The supplied included-components information names a hydration reservoir. It does not list a backpack.
### What features are intended to help with filling and flow?
The listing describes a wide-mouth opening, quarter-turn cap, ergonomic fill handle and an integrated shutoff lever.
### Do customers report leakage concerns?
Yes. Customer feedback describes leakage experiences as mixed, including reports of leaks. This is customer feedback and does not establish that every unit leaks.

## Alternative options

- [CamelBak Crux Water Reservoir Hydration Bladder](https://best-deals.pro/visit/camelbak-crux-3l-hydration-reservoir-1228401003)
- [CamelBak SnoBlast 22 Snow Hydration Pack with 70oz Crux Reservoir, Insulated Design and Ski Carry for All Day Winter Riding](https://best-deals.pro/visit/camelbak-snoblast-22-snow-hydration-pack)
- [CamelBak Powderhound 12 Snow Hydration Pack](https://best-deals.pro/visit/camelbak-powderhound-12-snow-hydration-pack)
- [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](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
- [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](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
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- [CamelBak Ambush Tactical Hydration Backpack, Low‑Profile MOLLE Design with 100oz Mil‑Spec Crux Reservoir](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
- [CamelBak Omega Hydration Reservoir 3l, Multi](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
- [CamelBak M.U.L.E. 12 Mountain Bike Hydration Pack](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
- [CamelBak M.U.L.E. Tactical Hydration Backpack, Modular MOLLE Design with 100oz Mil‑Spec Crux Reservoir](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
- [CamelBak Ultra Belt Running Hydration Pack, Corsair Teal \| Lightweight Hydration Without BulkBreathableComfortable CarrySecure Phone StorageVisibility in Low‑Light Conditions](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)

## Add-ons

- [CamelBak Cleaning Tablets 8Pk](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)
- [CamelBak Crux Cleaning Kit \| Complete Cleaning Kit, Taste-Free Hydration, Easy Maintenance, Compatible Design, Durable Tools](https://best-deals.pro/visit/camelbak-mil-spec-crux-long-reservoir-1944001003)

## Images

![CamelBak Mil-Spec Crux Long Reservoir, 1944001003 — 1](https://best-deals.pro/i/QPrl7vtUWBQZFJ9jui5rKj60ri2JmjxlkclqSx6mEHwZZbiMKNgA0jSbfql7DSDdg6yvzmqbXFZRY1FZoAu6sXOfBaMy6ggGaXAjGiABRO1wb8i-oGhx6Mz7.jpg)
