Technical sheet

Unisex

Osprey 3597-Stratos backpack

Name: Osprey 3597-Stratos backpack
Brand: Osprey
SKU: 142624875
Price: 154.49 EUR
Availability: InStock
Rating: 5 (2 reviews)

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2 Reviews

4 Questions

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Size

Long

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Unstrung

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Features of Osprey 3597-Stratos

Product description of Osprey 3597-Stratos backpack

Description summary

Conquer any trail with the Osprey Stratos 34 backpack. Experience unparalleled ventilation, durable construction, and all-day comfort for extended day hikes. Its adjustable men´s fit and dual-zip main compartment provide spacious, easy access. Keep essentials organized with a dedicated lower zip compartment, multiple pockets (hipbelt, front, side), and a top pocket for quick grabs. A removable sleeping pad strap and integrated raincover ensure you´re prepared for changing conditions. Hydration reservoir compatible with hose routing (reservoir not included). Features Stow-on-the-Go trekking pole attachment and ice tool loop. Made with bluesign® APPROVED, recycled nylon for sustainable performance

Reservoir not included .

Enjoy cloudlike comfort, exceptional ventilation and trail-tested durability with the Stratos 34.

Built for extended day hikers, it offers an adjustable men´s fit and spacious storage accessed via dual front panel zips.

A separate lower zip compartment and front, side and hipbelt pockets keep gear organised.

An included raincover protects your pack so you can stay focused on the trail ahead.

Features:

Wide, dual-zip panel access to main compartment.

Zippered top pocket with key clip secures small essentials.

Small, zippered front panel pocket to store sunglasses or phone.

Zippered bottom access to separate, collapsible compartment.

Removable sleeping pad/accessory straps.

Included raincover stores in pocket at base of pack.

Large, vertical-zip front stash pocket is perfect for extra layers.

Two zippered hipbelt pockets keep snacks, phone or other small items handy.

Stretch side pockets carry water bottles or other quick-access items.

Internal sleeve with hose routing port and Hydraclip for easily hanging hydration reservoir.

Upper and lower side compression straps stabilize load.

Adjustable sternum strap with magnetic closure.

Stow-on-the-Go trekking pole attachment.

Ice tool loop with bungee tie-off.

Front panel lash loops for attaching extra gear.

Composition:

bluesign® APPROVED, 100% recycled 100D X 210D nylon w/ honeycomb ripstop, DWR treatment made without PFAS.

Specifications

Manual

Technical specifications of Osprey 3597-Stratos

Capacity

34 L
Back panel ventilation

Yes
Material density

100D X 210D Nylon
Rain cover included

Yes
Hydration system compatible

Yes
Hip belt pockets

Yes
Color

Black
Capacity

31-40 L
Gender

Men
Gender

Women
Age

Adult
Recommended Use

Hiking
Structure

Frameless

Features of Osprey 3597-Stratos

Color Black

Color

Black

Capacity 31-40 L

Capacity

31-40 L

Gender Men

Gender

Men

Women

Age Adult

Age

Adult

Recommended Use Hiking

Recommended Use

Hiking

Structure Frameless

Structure

Frameless

Key differentiators

Advanced Organization: Features a dual-zip main compartment, separate lower compartment, and multiple dedicated pockets on the hipbelt, top, and front panel.

Hydration Ready: Designed with an internal sleeve and hose routing port, making it compatible with hydration reservoirs (not included).

Sustainable Construction: Made from bluesign® APPROVED, 100% recycled nylon with a DWR treatment made without PFAS.

Trail-Ready Features: Includes an integrated raincover, Stow-on-the-Go trekking pole attachment, and an ice tool loop.

Ventilated Comfort: Equipped with back panel ventilation and an adjustable sternum strap for a comfortable, stable carry during long hikes.

Technology in Osprey 3597-Stratos backpack

Energy rating

Warnings

5 / 5

2 Reviews

What our customers are saying about Osprey 3597-Stratos backpack

OSPREY Stratos backpack

2026/08/18

Dragan

A top-quality hiking backpack, made of quality materials, with practical compartments and pockets and rain protection. Very comfortable to wear all day.

Osprey Stratos 34

2026/09/03

Zoltán

Absolutely love the Osprey Stratos 34! Extremely comfortable, great ventilation, plenty of space, and the perfect balance between weight and functionality. The fit is excellent even on longer hikes. Highly recommended!

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Include AI Generated questions and answers

2026-07-28

Generated by AI and verified

Does the Osprey Stratos 34 backpack come with a rain cover?

Answer of Generated by AI and verified

Yes, the Osprey Stratos 34 includes an integrated raincover. It is stored in a dedicated pocket at the base of the pack for easy access when conditions change.

* Generated by AI based on customer and product data

2026-07-28

Generated by AI and verified

What is the capacity of the Osprey Stratos 34 backpack?

Answer of Generated by AI and verified

The Osprey Stratos 34 has a capacity of 34 liters, making it well-suited for extended day hikes where you need to carry extra layers, food, and gear.

* Generated by AI based on customer and product data

2026-07-28

Generated by AI and verified

What materials are used to make the Osprey Stratos 34?

Answer of Generated by AI and verified

This backpack is constructed with bluesign® APPROVED, recycled nylon with a material density of 100D X 210D, offering a balance of durability and sustainable performance.

* Generated by AI based on customer and product data

2026-07-28

Generated by AI and verified

Is the Osprey Stratos 34 suitable for carrying trekking poles or an ice tool?

Answer of Generated by AI and verified

Yes, this backpack is equipped for carrying hiking tools. It features the Stow-on-the-Go trekking pole attachment for stowing poles while on the move, as well as an ice tool loop with a bungee tie-off.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Extended Day Hiking 100% Fit

With a 34 L capacity, this backpack is engineered for long day hikes where extra layers, food, and gear are necessary. Its hydration system compatibility and ventilated back panel provide sustained comfort and performance on demanding trails.

34 L capacity,Hydration system compatible,Ventilated back panel

All-Weather Trekking 90% Fit

This pack is built for variable weather conditions, featuring a durable, recycled nylon construction with a DWR treatment and an integrated raincover. This ensures your gear stays protected from unexpected downpours, making it a reliable choice for treks in unpredictable environments.

Integrated raincover,Recycled nylon material with DWR,Stow-on-the-Go trekking pole attachment

Outdoor Adventures 80% Fit

For the users who prioritizes sustainability, this backpack offers high-performance features without compromise. It is constructed from bluesign® APPROVED, 100% recycled nylon, allowing you to explore the outdoors with gear that aligns with environmental values.

bluesign® APPROVED recycled nylon,Durable 100D X 210D material density,Integrated raincover

Organized Gear-Intensive Hikes 90% Fit

This pack is ideal for hikers who carry a variety of tools and equipment. With features like dedicated hip belt pockets, a Stow-on-the-Go trekking pole attachment, and an ice tool loop, it provides advanced organization and quick access to essential gear on the move.

Hip belt pockets,Stow-on-the-Go trekking pole attachment,Ice tool loop with bungee tie-offs

Best for

Best for the Dedicated Hiker

This pack is engineered for serious hikers who demand advanced features, offering superior organization and hydration compatibility for extended day trips.

Based on: Organizational Features, Active Lifestyle & Fitness

Ideal for Eco-Conscious Adventurers

With a construction of bluesign® APPROVED, 100% recycled nylon, this backpack meets the needs of users who prioritize high-performance gear with a reduced environmental impact.

Based on: material: recycled nylon (Made with bluesign® APPROVED, recycled nylon for sustainable performance.)

A Serious Upgrade for All-Weather Treks

This pack provides excellent weather resistance and durability through its DWR-treated recycled nylon fabric and an integrated raincover, making it a reliable choice for unpredictable conditions.

Based on: Weather Resistance & Durability

Perfect for Organized Expeditions

Featuring multiple specialized pockets, including on the hipbelt, and a 34 L capacity, this pack allows for meticulous organization and stable load carrying on demanding hikes.

Based on: hip_belt_pockets: Yes, Capacity: 34 L (Capacity: 34 L)

Benefits

FunctionalKeep Your Gear Neatly Organized

Easily access your essentials on the trail. This backpack features hip belt pockets, allowing you to keep small items like snacks, a compass, or your phone within reach without having to stop and remove your pack.

Hip belt pockets: Yes

Intended use: hiking

FunctionalStay Cool and Hydrated on the Move

Designed to support an active lifestyle, this pack features back panel ventilation to keep you cool during strenuous hikes. It is also hydration system compatible, allowing for easy access to water so you can stay hydrated and perform your best.

Back panel ventilation: Yes

Hydration system compatible: Yes

FunctionalHike Confidently in Changing Weather

Don't let unexpected rain cut your hike short. This backpack includes a rain cover, providing reliable protection for your gear and ensuring your belongings stay dry during downpours.

Rain cover included: Yes

Ideal buyer profiles

The Eco-Conscious Day Hiker

This hiker prioritizes sustainability without sacrificing performance on the trail. They look for gear made from recycled materials and produced by brands with transparent environmental commitments. For them, every purchase is a vote for a healthier planet.

This backpack is an excellent match, as it's constructed from bluesign® APPROVED, 100% recycled nylon. The durable water-repellent (DWR) treatment and included raincover provide reliable weather resistance, ensuring their gear stays dry while minimizing environmental impact.

The Organized Adventurer

This individual values meticulous organization on their hikes. They need a place for everything, from snacks and layers to trekking poles and hydration, ensuring quick and easy access to all their essentials without having to stop and unpack.

With numerous pockets—including on the hipbelt, front, and sides, plus a separate lower zip compartment—this pack excels at organization. Features like the Stow-on-the-Go trekking pole attachment and compatibility with a hydration system keep gear accessible, while compression straps maintain a stable, comfortable load.

The All-Day Explorer

This hiker embarks on long, strenuous day trips and requires a pack that can carry a full day's worth of supplies comfortably. They prioritize ventilation to stay cool and a stable fit that moves with them over varied terrain.

The 34L capacity is ideal for extended day hikes, and the ventilated back panel is specifically designed to maximize airflow, keeping the wearer cool. The adjustable sternum strap and side compression straps ensure the load remains secure and balanced for all-day comfort.

Competitive features

When selecting a hiking backpack, key factors like capacity, fit, and feature set determine its suitability for your adventures. We're comparing the Osprey Stratos 34 to several other models in our collection, including the Metron Airspeed, Kyte 38, Kyte Lt, Fairview 55, and Kestrel Lt, to help you understand where it stands out.

Where it excels

The Stratos 34 is specifically designed for extended day hikes, offering a balanced 34-liter capacity that's ample for a full day's gear without being overly bulky. It comes equipped with an integrated raincover, a feature not always standard on other packs, ensuring your gear stays dry in unexpected downpours. Specialized features like the Stow-on-the-Go trekking pole attachment and an ice tool loop provide dedicated, convenient storage for technical equipment on the trail. Constructed from bluesign® APPROVED, recycled nylon, this pack appeals to environmentally conscious hikers who prioritize sustainable materials.

Consider alternatives if...

For longer trips or travel requiring more gear, the Osprey Fairview-55l Backpack provides significantly more volume. If your primary use is urban commuting rather than trail hiking, the Osprey Metron Airspeed 34l Backpack might be a more suitable choice with features tailored for city life.

Verdict

The Osprey Stratos 34 is an excellent, feature-rich backpack designed for the dedicated day hiker. Its combination of an adjustable men's fit, specialized tool attachments, and sustainable construction makes it a strong contender. While other packs may be better suited for different body types (Kyte 38 for women), longer trips (Fairview 55), or urban use (Metron), the Stratos 34 excels in its intended environment: the trail.

Specs comparison

	Osprey 3597-Stratos backpack	Osprey Renn 65 Woman Backpack	Osprey Tempest 44l Woman Backpack	Osprey Kyte Backpack	Osprey Fairview-55l Backpack	Osprey Sojourn-46l Backpack
Material	recycled nylon	synthetic	nylon	nylon	-	-
Capacity	34.0 L	65 L	44.0 L	31-40 L	51-60 L	46 L
Intended Use	hiking	hiking	hiking	hiking	hiking	hiking
Material Density	100D X 210D Nylon	-	100D	420D nylon	200D nylon, 420D nylon	420D Nylon
Back Panel Ventilation	Yes	AirSpeed Suspension	AirScape	AirScape	-	Yes
Hydration System Compatible	Yes	Yes	Yes	Yes	No	Yes

Specs vs competitors

	Osprey 3597-Stratos backpack	Blue Ice Stache Ice 50l Backpack	Ortovox Peak 35l Backpack	Ortovox Peak Light 40l Backpack	Ortovox Traverse 30l Backpack	Ortovox Traverse Pure 30l Backpack
Material	recycled nylon	synthetic	recycled polyamide	recycled_materials, polyamide	polyamide	polyamide
Capacity	34.0 L	41-50 L	35 L	40 L	30 L	30 L
Intended Use	hiking	hiking	hiking	hiking	hiking	hiking
Material Density	100D X 210D Nylon	210d	-	-	210D	210D
Back Panel Ventilation	Yes	Yes	Yes	Swisswool TEC KNIT back system	Yes	Yes
Hydration System Compatible	Yes	Yes	Yes	Yes	Yes	Yes