deuter AC Lite 21 SL Women’s Hiking Backpack, 830 g

The deuter AC Lite 21 SL is a women’s day-hiking backpack with a ventilated Aircomfort mesh back, a long front zip opening and storage features for essentials. Its listed 830 g weight suits buyers prioritising a lightweight pack, while its stated capacity is not supplied here.

At a glance

The long front zip opening gives access to the main compartment and makes packing easier.
The Aircomfort mesh back is designed to improve ventilation while carrying the pack.
Includes a separate zipped side pocket, a valuables pocket with keyring, and holders for poles and glasses.
The listing describes an integrated fitting for a hydration system compatible with deuter Streamer 2.0. The reservoir itself is not specified as included.
The manufacturer states that the pack is made without PFAS and uses DWR impregnation instead.

Price

£61.99Save 16%

Reference price: ~~£73.89~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Listed weight is 830 g, a useful consideration for day hikes where pack weight matters.
Front access, a dedicated valuables pocket and a zipped side pocket give several ways to organise small items.
The manufacturer specifies a removable rain cover and hydration-system fitting.

Technical specifications

15 specifications

Identity
Brand	deuter

Dimensions and installation
Dimensions listed	20.32 x 10.16 x 10.16 cm

Model and fit
Model number	3420224
Department	Women's
Fit	SL Women's Fit - women-specific fit, perfectly adapted to the female form

Weight and carrying
Weight	Lightweight (830 g)
Back system	Aircomfort mesh back system for maximum ventilation
Hip belt and chest strap	Hip pads modelled analogously to the pelvic shape with abdominal belt, totally adjustable chest strap

Storage and access
Main compartment access	The large front opening offers excellent visibility. In addition, the backpack can be packed easily and quickly with the long zip opening.
Side pocket	Perfectly equipped with an elasticated and airy zipped side pocket that holds your smartphone and snacks.
Valuables storage	Separate valuables pocket with keyring
Attachment points	Pole & glasses holders

Weather and hydration
Rain cover	Removable rain cover with its separate storage compartment
Hydration system fitting	Fixture for hydration system (compatible with deuter Streamer 2.0)

Materials
PFAS statement	Made without PFAS

What to know before buying

Listing details to confirm

The listing does not state the pack’s capacity, despite “21” in its model name, so confirm volume and dimensions with the selected listing if they are important. The listed dimensions are 20.32 x 10.16 x 10.16 cm, which may not describe the pack’s full external dimensions. A hydration-system fitting is specified, but a reservoir is not listed as included.

Who is it for?

A good fit for

Day hikers seeking a lightweight pack with a women-specific SL fit.
Walkers who prefer front access to the main compartment and separate storage for valuables.
Buyers who value a ventilated mesh back and plan to use a compatible hydration reservoir.

Less suited to

Anyone needing a confirmed pack volume or full external dimensions before purchase.
Buyers who require a hydration reservoir to be explicitly included in the package.

deuter AC Lite 21 SL Women’s Hiking Backpack, 830 g · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 44 ratings

5 stars76%76%
4 stars16%16%
3 stars3%3%
2 stars0%0%
1 star5%5%

The supplied evidence contains aggregate ratings but no written customer feedback, so specific strengths, complaints or reasons for the ratings cannot be established. The overall rating distribution is favourable, though a small minority of one-star ratings means experiences are not uniformly positive. This offers only a broad indication and does not establish how the pack performs for a particular fit, load or hike.

Frequently asked questions

Is the hydration reservoir included?

The listing specifies a fitting compatible with deuter Streamer 2.0, but does not say that a reservoir is included.

Does the listing give the backpack’s capacity?

No capacity is stated in the supplied details. The “21” model name alone does not confirm the volume, so check the selected listing if capacity matters.

What storage features are specified?

The listing describes a large front opening, an elasticated zipped side pocket, a separate valuables pocket with keyring, and holders for poles and glasses.

Is a rain cover specified?

Yes. The manufacturer describes a removable rain cover with its own storage compartment.