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Osprey

Osprey Sirrus backpack

Price without code 135.99

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Features of Osprey Sirrus

Product description of Osprey Sirrus backpack

Description summary

Experience cloudlike comfort on overnight adventures with the OSPREY Sirrus 36 backpack. This top-loading pack boasts exceptional ventilation and an adjustable women´s fit for ultimate comfort. Discover spacious storage with a main compartment, fixed lid with pockets, and a hidden side-zip for easy access. Keep gear organized with a collapsible lower compartment, strategic pocketing, and front stash pocket. Additional features include hipbelt pockets, stretch side pockets, and a raincover. Trek with ease thanks to the Stow-on-the-Go trekking pole attachment and ice tool loop. Crafted from recycled, bluesign® APPROVED nylon. (Reservoir not included)

Reservoir not included .

Experience cloudlike comfort, exceptional ventilation and trail-tested durability with the Sirrus 24.

Designed for discerning day hikers, it offers an adjustable women´s fit and streamlined storage accessed via dual front panel zips.

Front, side and hipbelt pockets keep small essentials organised, while an included raincover protects your pack so you can stay focused on the terrain 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.

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 Sirrus

  • Capacity

    24 L

  • Back panel ventilation

    Yes

  • Material density

    100D X 210D nylon

  • Rain cover included

    Yes

  • Hydration system compatible

    Yes

  • Hip belt pockets

    Yes

  • Color

    Blue

  • Capacity

    21-30 L

  • Gender

    Men

  • Gender

    Women

  • Age

    Adult

  • Recommended Use

    Hiking

  • Structure

    Frameless

Features of Osprey Sirrus

Color Blue

Color

Blue

Capacity 21-30 L

Capacity

21-30 L

Gender Men

Gender

Men

Women

Women

Age Adult

Age

Adult

Recommended Use Hiking

Recommended Use

Hiking

Structure Frameless

Structure

Frameless

Key differentiators

Constructed from bluesign® APPROVED, 100% recycled 100D X 210D nylon with a DWR treatment for weather resistance.

Equipped with Stow-on-the-Go trekking pole attachment and an ice tool loop for technical hikes.

Features a 24 L capacity and is hydration compatible with an internal reservoir sleeve.

Includes an integrated raincover for enhanced gear protection in wet conditions.

Offers advanced organization with zippered hipbelt pockets, stretch side pockets, and a large front stash pocket.

Technology in Osprey Sirrus backpack

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Osprey Sirrus backpack

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The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Are there pockets on the hip belt?

Answer of Generated by AI and verified

Yes, the Osprey Sirrus features two zippered hipbelt pockets, which are convenient for keeping snacks, a phone, or other small items handy and accessible.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Can I attach trekking poles or an ice tool to this pack?

Answer of Generated by AI and verified

Yes, the pack is equipped with a Stow-on-the-Go trekking pole attachment and an ice tool loop with a bungee tie-off, allowing you to securely carry your equipment.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Does the Osprey Sirrus backpack come with a rain cover?

Answer of Generated by AI and verified

Yes, an included raincover is provided with the Osprey Sirrus backpack. It stores in a dedicated pocket at the base of the pack for easy access when the weather changes.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Does this backpack have good ventilation?

Answer of Generated by AI and verified

Yes, the pack is designed with back panel ventilation to provide comfort and airflow during your hike.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Is the Osprey Sirrus backpack made from sustainable materials?

Answer of Generated by AI and verified

Yes, this backpack is crafted from 100% recycled 100D X 210D nylon which is also bluesign® APPROVED. This reflects a commitment to using environmentally conscious materials.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Is the Osprey Sirrus backpack water-resistant?

Answer of Generated by AI and verified

Yes, the backpack has a DWR (Durable Water Repellent) treatment to provide water resistance. For heavier rain, it also includes a raincover.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Is the Osprey Sirrus backpack worth buying for hiking users?

Answer of Generated by AI and verified

The Osprey Sirrus backpack offers features like exceptional ventilation, an adjustable fit, and durable materials, making it a great choice for hiking users.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Is this backpack suitable for carrying a hydration system?

Answer of Generated by AI and verified

Yes, the Osprey Sirrus is hydration compatible. It features an internal sleeve with a hose routing port and a Hydraclip, making it easy to hang a hydration reservoir (sold separately).

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

What is the capacity of the Osprey Sirrus backpack?

Answer of Generated by AI and verified

This Osprey Sirrus backpack has a volume and capacity of 24 liters, which is suitable for day hikes and carrying essential gear.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

What is the intended use for the Osprey Sirrus 24 backpack?

Answer of Generated by AI and verified

This backpack is specifically designed for hiking. Its 24-liter capacity and features like hydration compatibility, trekking pole attachment, and an included raincover make it ideal for day hikes.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

What material is the Osprey Sirrus backpack made of?

Answer of Generated by AI and verified

The backpack is constructed from bluesign® APPROVED, 100% recycled 100D X 210D nylon with a honeycomb ripstop pattern for durability.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Sirrus backpack

Who is the Osprey Sirrus backpack designed for?

Answer of Generated by AI and verified

This is a unisex backpack designed for adults. The description also notes it features an adjustable women's fit for enhanced comfort.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Day Hiking 100% Fit

With a 24 L capacity, this backpack is perfectly sized for single-day excursions, providing ample space for essentials without unnecessary bulk. The hydration compatibility and ventilated back panel ensure comfort and performance on the trail.

24 L capacity,Hydration system compatible,Ventilated back panel,Intended for hiking

Environmentally Conscious Trekking 90% Fit

This pack is an advanced choice for the eco-aware users, crafted from recycled, bluesign® APPROVED nylon with a PFAS-free DWR treatment. It delivers high-performance features while minimizing environmental impact.

Recycled, bluesign® APPROVED nylon material,PFAS-free DWR water resistance,Intended for hiking

Warm Weather Hiking 80% Fit

Engineered for comfort during strenuous activity, this pack features a ventilated back panel to maximize airflow and reduce heat buildup. Its hydration compatibility allows for easy access to water, which is crucial in warmer conditions.

Ventilated back panel,Hydration compatible,24 L capacity

Inclement Weather Trail Use 80% Fit

This backpack offers reliable protection against unexpected weather, featuring a DWR water-resistant treatment and an included rain cover for heavier downpours. These features ensure your gear stays dry, allowing you to push through changing conditions.

DWR water resistance,Included rain cover,Durable 100D X 210D nylon material

Best for

Best for Hikers

This pack is designed for demanding hikes, featuring a ventilated back panel, hydration compatibility, and durable, water-resistant materials to support an active outdoor lifestyle.

Attributes: back_panel_ventilation, hydration_compatible, water_resistance

Ideal for Adventurers

Constructed with recycled, bluesign® APPROVED nylon and a PFAS-free DWR treatment, this pack meets the needs of environmentally responsible hikers.

Attributes: material (recycled, bluesign® APPROVED nylon), water_resistance (DWR treatment made without PFAS)

A Choice for Organized Trekkers

With a high score for organizational features and an included rain cover, this premium pack ensures your gear is protected and accessible on the trail.

Attributes: rain_cover_included, hip_belt_pockets

Benefits

FunctionalStay Prepared for Changing Weather

This backpack is equipped to handle unpredictable weather conditions, ensuring your gear stays dry. It features a water-resistant DWR treatment and includes an integrated rain cover for added protection during downpours.

Rain cover included: Yes

FunctionalHike Comfortably on Warm Days

Designed for comfort during active use, this backpack features a ventilated back panel. This allows for increased airflow, helping to keep you cooler and drier during strenuous hikes.

Back panel ventilation: Yes

Back panel: Yes

FunctionalCarry Everything You Need for the Day

With a 24-liter capacity, this backpack offers ample space for all the essentials required for a full day of hiking. You can easily pack layers, food, water, and other necessary gear for your excursion.

Intended use: hiking

Ideal buyer profiles

The Day Hiker

This hiker prioritizes environmental responsibility alongside performance for their day trips on the trail. They look for gear that is durable, functional, and made with sustainable practices, allowing them to enjoy nature with a minimal footprint.

The Osprey Sirrus is an excellent match, crafted from recycled, bluesign® APPROVED nylon with a PFAS-free DWR treatment. Its 24 L capacity is ideal for day hikes, while features like an included rain cover, hydration compatibility, and ventilated back panel provide the necessary performance and comfort for a full day outdoors.

The All-Weather Adventurer

This individual hikes in varied conditions and needs a reliable pack that can handle unpredictable weather. They value durability and features that protect their gear from the elements, ensuring they can stay out on the trail longer, regardless of the forecast.

With its robust 100D X 210D nylon fabric, DWR water-resistant treatment, and an included rain cover, this backpack is built for changing weather. These features provide confidence that gear will stay dry, making it a dependable choice for hikers who don't let a little rain stop them.

The Organized Trail Explorer

This hiker values efficiency and easy access to their gear while on the move. They prefer a backpack with thoughtful organizational features that keep essentials like water, snacks, and layers neatly arranged and within reach.

The Sirrus backpack caters to the organized hiker with its dedicated hydration sleeve and convenient hip belt pockets for small items. The ventilated back panel and snuggle_up suspension system ensure a comfortable carry, even when the 24 L capacity is fully utilized.

Competitive features

When choosing a hiking backpack, it's essential to compare features to find the right fit for your adventures. The Osprey Sirrus is a well-regarded option known for its women's-specific fit and thoughtful design. Let's see how it stacks up against other popular models from Osprey and Ortovox.

Where it excels

The Osprey Sirrus is specifically designed with an adjustable women's fit, aiming to provide enhanced comfort and stability on the trail. Constructed from recycled, bluesign® APPROVED nylon, this pack is a strong choice for the environmentally-conscious hiker. It includes a suite of hiking-specific features like the Stow-on-the-Go trekking pole attachment, an ice tool loop, and an integrated raincover, offering great versatility for various trail conditions.

Consider alternatives if...

Verdict

The Osprey Sirrus backpack is an excellent choice for hikers seeking a comfortable, feature-rich pack with a women's-specific design. Its use of recycled, bluesign® APPROVED materials makes it a standout for those prioritizing sustainability. With features like an integrated raincover and specialized attachments for poles and ice tools, it's well-equipped for day hikes and overnight trips. While other packs may cater to different needs, the Sirrus provides a compelling, well-rounded package for trail use.

Specs comparison

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Materialnylonnylonnylon-synthetic-
Water ResistanceYesslightly waterproofDWR treatment made without PFAS-DWR treatment made without PFAS-
Capacity24 L11-20 L28 L20 L21-30 L22 L
Hydration CompatibleYesYesYesNoNoNo
Intended Usehikinghikinghikingurbanurbanhiking
Department NameAdultsLuggage & BagsWomenLuggage & BagsAdults-
Suspension SystemSnuggle UpSnuggle UpSnuggle Up--Snuggle Up
Type Of Rucksack Backpack Holdallhikingbackpack-tote-backpack
Volume24 L20 L28 L20 L24 L22 L
Back PanelYesbreathableYesframelessAirScape™breathable backpanel
Material Density100D X 210D nylon-100D Nylon-500D high-tenacity nylon-
Back Panel VentilationYesYesYesYesAirScape™Yes
Hydration System CompatibleYesYesYesNoNoNo

Specs vs competitors

Favorite On Favorite Off
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Materialnylonnylonsyntheticpolyamidepolyamidepolyamide
Water ResistanceYes-PFC-free water-repellent treatment--Yes
Capacity24 L32 L21-30 L30 L11-20 L28 L
Hydration CompatibleYesYesYesYesYesYes
Intended UsehikinghikinghikinghikingHiking, Mountaineeringhiking
Department NameAdultsAdultsLuggage & Bags > BackpacksAdults-Luggage & Bags > Backpacks
Suspension SystemSnuggle UpSnuggle Up---COMFORT-CONTACT BACK SYSTEM
Type Of Rucksack Backpack HoldallhikingbackpackFrameless--Backpack
Volume24 L32 L30 L3218 L28 L
Back PanelYescontact open mesh plus back panelventilatedFULL CONTACT LIGHT BACK SYSTEMCOMFORT-CONTACT BACK SYSTEMCOMFORT-CONTACT BACK SYSTEM
Material Density100D X 210D nylon100D Robic Nylon330D-210D210D
Back Panel VentilationYesYesYesFULL CONTACT LIGHT BACK SYSTEMYesYes
Hydration System CompatibleYesYesYesYesYesYes
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