CamelBak Arete 18 Hydration Pack, 18 L

CamelBak Arete 18 is a lightweight hydration pack for hiking and everyday carry, with a listed 18-liter capacity and a 1.5-liter Crux reservoir. Its storage and removable reservoir also give it potential as a travel or work pack, though the listing’s cargo-capacity figures do not align.

At a glance

Includes a 50 oz / 1.5 L Crux reservoir, according to the listing.
The listing describes a 3D Vent Mesh harness and breathable back panel for airflow.
Removable reservoir leaves space for laptop carry, with a listed fit for devices up to 15 inches.
Side stretch pockets and a zippered phone pocket provide separate storage for small items and bottles.
Compressible materials are described as easy to stow when the pack is not in use.

Price

$61.99Save 24%

Reference price: ~~$82.00~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

The listed 12.3-ounce weight and 18-liter capacity suit buyers prioritizing a lightweight daypack with room beyond the reservoir.
The removable reservoir and stated laptop fit make the pack more adaptable to travel or daily carry than a hydration-only setup.
Three listed pockets include side stretch storage and a zip pocket for accessible essentials.

Cons

The 1.5-liter reservoir is a modest water capacity for buyers who need to carry more water between refills.

Technical specifications

12 specifications

Identity
Brand	CamelBak
Model	3032401000

Capacity and storage
Pack capacity	18 liters
Pockets	3
Pocket description	16.5L Cargo Capacity, Side Stretch Pockets, Will fit 15" laptop, Zip Pocket
Reservoir volume	1.5 liters

Dimensions and weight
Listed dimensions (W × H)	10.62"W x 18.11"H
Listed weight	12.3 ounces

Materials and design
Material	Nylon, Polyester
Color	Royal Blue
Strap type	Shoulder, sternum

Intended activities
Sport	Adventuring, Outdoors, Snowshoeing

What to know before buying

Listing details to confirm

The listing gives an 18-liter pack capacity but describes 16.5L cargo capacity, so the usable storage figure is inconsistent. It also identifies three pockets while describing a zip pocket, side stretch pockets, and a separate secure phone pocket. Confirm the exact pocket layout and capacity details for the selected listing.

What’s in the box

Included

Pack
Hydration reservoir

Who is it for?

A good fit for

Day hikers who want a lightweight pack with an included 1.5-liter reservoir.
Travelers or commuters who value a removable reservoir and the listed fit for a laptop up to 15 inches.
Buyers who want a compressible pack with stretch side pockets for bottles or extra gear.

Less suited to

People who need substantially more than 1.5 liters of carried water before refilling.
Buyers who need confirmed cargo capacity or a precisely specified pocket layout before purchase.

CamelBak Arete 18 Hydration Pack, 18 L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 86 ratings

5 stars76%76%
4 stars11%11%
3 stars3%3%
2 stars4%4%
1 star6%6%

Aggregate ratings lean positive, with most ratings in the five-star category, but a smaller share falls in lower categories. Without written customer feedback, the ratings do not establish specific strengths or problems. Consider them only as a broad signal alongside the listed 1.5-liter reservoir and the pack’s storage details.

Frequently asked questions

Is the reservoir included?

The listing’s included-components field says “Pack & Hydration Reservoir,” and the product title and feature text specify a 50 oz / 1.5 L Crux reservoir.

How much can the pack hold?

The listed pack capacity is 18 liters, while the pocket description states 16.5L cargo capacity. Those figures are inconsistent, so confirm which capacity applies to the selected listing.

Can it carry a laptop?

The listing says it will fit a 15-inch laptop and describes removing the reservoir to make room for a laptop. Check the fit against your device dimensions.

What is the listed weight?

The listing gives a weight of 12.3 ounces.