Osprey Eja Pro 55L Women's Backpacking Backpack, WXS/S

The Osprey Eja Pro 55L is a women's backpacking backpack listed in size WXS/S. Its ventilated AirSpeed suspension, removable lid and adjustable capacity features suit buyers prioritizing a lighter pack for long-distance trips, while the 55-liter capacity may be more pack than shorter outings require.

At a glance

AirSpeed suspension uses a tensioned mesh backpanel intended to keep the load off the back and improve ventilation.
The removable lid sheds a listed 74 g / 2.6 oz. and an integrated FlapJacket secures the opening when the lid is off.
Compression straps and a removable lid provide ways to adjust capacity.
Internal hydration sleeve includes a hose port and Hydraclip for hanging a reservoir.

Price

$243.75Save 25%

Reference price: ~~$325.00~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Listed weight is 1.93 pounds, with the removable lid offering an additional stated 74 g / 2.6 oz. reduction.
Ventilated mesh backpanel may appeal to hikers who prefer airflow between the pack and back.
Front stretch-compression pocket is described as accommodating overloads.

Technical specifications

13 specifications

Identity
Brand	Osprey
Model number	10004716
Department	womens
Size	WXS/S
Color	Dale Grey/Poinsettia Red

Capacity
Pack volume	55L

Dimensions and weight
Dimensions listed	12.2 x 14.2 x 26.4 inches
Weight listed	1.93 pounds

Suspension and carrying features
Backpanel	A tensioned mesh backpanel keeps the weight off your back, enabling highly ventilated carrying comfort
Capacity adjustment	Compression straps and removable lid allow for functional capacity adjustment
Lid and cover	Sheds 74 g / 2.6 oz. when the top lid is removed. An integrated FlapJacket secures the main compartment opening, providing weather protection and load stability when the lid isn't used
Hydration	Internal hydration sleeve with center back hose port and Osprey Hydraclip for easier reservoir hanging
Front pocket	Large front fabric compression pocket with stretch side panels accommodates overloads

Who is it for?

A good fit for

Long-distance and thru-hikers seeking a 55-liter women's pack with a ventilated suspension.
Hikers who use a hydration reservoir and want an internal sleeve, hose port and reservoir clip.
Buyers who value lid removal and compression options for adjusting the pack's configuration.

Less suited to

Day hikers or buyers seeking a smaller-capacity pack for short outings.
Buyers who need documented customer feedback before choosing. The available rating evidence is limited to a single rating.

Osprey Eja Pro 55L Women's Backpacking Backpack, WXS/S · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 1 ratings

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The listing provides no written customer feedback. The available aggregate shows a five-star rating, but it comes from a single rating and cannot establish a broad pattern or explain performance. Consider the pack's listed weight, capacity and suspension features against your own fit and trip needs.

Frequently asked questions

What size and capacity is this listing for?

The title identifies the size as WXS/S and the pack capacity as 55L.

Can the pack be used without its top lid?

Yes. The listing describes the lid as removable and says an integrated FlapJacket secures the main compartment opening when the lid is removed. Removing it is stated to shed 74 g / 2.6 oz.

Does it have features for a hydration reservoir?

It has an internal hydration sleeve, a center-back hose port and an Osprey Hydraclip for easier reservoir hanging. A reservoir is not listed among supplied package contents.