Osprey Eja 48 Women's Ultralight Backpacking Backpack

Ultralight: The Osprey Eja 48 is a women's backpacking pack listed with 48 liters of storage and a weight of 2.8 pounds. Its adjustable suspension, hydration sleeve and removable lid suit buyers planning longer hikes who want access to essentials and room for overnight gear.

At a glance

Adjustable Airspeed suspension is listed with 4 inches of torso adjustment.
Two hipbelt pockets provide access to small essentials while moving.
An internal hydration sleeve has a center-back hose port.
The removable floating lid has zippered pockets on top and underneath. The manufacturer description says an integrated FlapJacket can replace the lid when trimming weight.

Price

$194.95Save 26%

Reference price: ~~$265.00~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

The 48-liter capacity provides room for multi-day backpacking gear without moving to a larger listed size.
The torso adjustment and hipbelt pockets offer practical fit and on-trail access features.
A hydration sleeve and hose port support carrying a hydration reservoir inside the pack.

Technical specifications

14 specifications

Identity and capacity
Brand	Osprey
Model	Eja 48
Storage volume	48 liters
Size	48L - WM/L
Color	Deep Teal

Weight and dimensions
Weight listed	2.8 pounds
Dimensions (D × W × H)	11.8"D x 14.2"W x 29.5"H

Materials and protection
Material listed	Mesh
Water resistance listed	Water Resistant
Outer material	Nylon

Fit and features
Torso adjustment	4"
Number of pockets	2
Number of compartments	4
Care instructions	Hand Wash Only

What’s in the box

Included

Eja 48 backpack

Who is it for?

A good fit for

Women seeking a 48-liter pack for backpacking and longer hikes.
Hikers who value torso adjustment, hipbelt pocket access and an internal hydration sleeve.
Buyers who may want to remove the floating lid to reduce carried weight.

Less suited to

Shoppers seeking a daypack or a smaller-capacity hiking bag.
Buyers who need confirmed rainproof protection. The listing states water resistant, not waterproof.

Osprey Eja 48 Women's Ultralight Backpacking Backpack · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 12 ratings

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The available customer evidence is limited to aggregate ratings, which are uniformly five-star in a small sample. That is a favorable but narrow signal and does not establish specific strengths or show how the pack performs on trail. Consider the listed 2.8-pound weight, 48-liter capacity and fit features against your own needs.

Frequently asked questions

How much does the Osprey Eja 48 weigh?

The listed weight is 2.8 pounds. The product features also give a 2.76-pound figure, so consult the selected listing for the applicable version or size.

Does this pack include a hydration reservoir?

The listing describes an internal hydration sleeve and center-back hose port, but does not identify a reservoir as an included component.

Is the Eja 48 waterproof?

The listed water resistance level is Water Resistant. The supplied details do not establish that the pack is waterproof.

Can the top lid be removed?

Yes. The feature details describe a removable floating lid with zippered pockets. The manufacturer description also says an integrated FlapJacket can take its place when the lid is removed.