Gray Osprey backpack on a white background

Purple Osprey backpack on a white background

Blue Osprey backpack on a white background

Gray Osprey hiking backpack on a white background

Gray hiking backpack on a white background

Two people setting up a tent with a raincover included, outdoors.

Person wearing a gray hiking backpack on a white background

Person wearing a large gray backpack on a white background

Person hiking on a rocky trail with a blue backpack, featuring text about Ventilated AirSpeed Suspension.

Woman organizing a hiking backpack with text highlighting its features.

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Osprey Sirrus 36 Hiking Backpack

Osprey

$380.00

Colour:

Medium Grey Purple Dusk Sevres Blue

Variant

Features

Top-loading main compartment with drawcord closure and protective lid
Fixed lid with spacious pocket plus an under-lid zip pocket with key clip
Bottom zip entry to a separate, collapsible storage compartment
Detachable straps for securing a sleeping pad or extra gear
Integrated rain cover stored in a pocket at the base of the pack
Large vertical-zip front stash pocket for storing extra layers
Dual zip hipbelt pockets for snacks, phone or small essentials
Stretch side pockets for water bottles or quick-access items
Internal hydration sleeve with hose routing and Hydraclip for reservoir attachment
Upper and lower side compression straps help stabilise the load
Adjustable sternum strap with convenient magnetic buckle
Stow-on-the-Go trekking pole attachment system
Ice tool loop with bungee tie-off for secure carry
Front panel gear loops for attaching additional equipment

Specifications

LOAD RANGE 4.5 - 13.6 kg

VOLUME 36 L

DIMENSIONS 65 cmH X 34 cmW X 33 cmD

WEIGHT 1.49 kg

FABRIC

MAIN

bluesign® APPROVED 210D recycled honey comb nylon, PFC/PFAS-free DWR

LINING

bluesign® APPROVED 420D recycled nylon, PFC/PFAS-free DWR

BOTTOM

bluesign® APPROVED 420D recycled nylon, PFC/PFAS-free DWR

Osprey Sirrus 36L Women's Hiking Backpack

Experience cloudlike comfort and superior ventilation with the Osprey Sirrus 36 Women’s Hiking Pack, designed for day hikes and lightweight overnight adventures. Featuring a women’s-specific adjustable fit and highly breathable suspension, this versatile hiking backpack keeps you comfortable on the trail all day long.

The Sirrus 36 uses Osprey’s AirSpeed™ trampoline mesh backpanel, which creates exceptional airflow between your back and the pack to keep you cool during warm-weather hikes. The adjustable harness system allows you to fine-tune the fit for optimal stability and support across varying terrain.

With 36 litres of storage, this top-loading hiking pack offers plenty of space for extra layers, food, and trail gear. A zippered collapsible lower compartment keeps sleeping gear or bulky items separate yet easily accessible, while thoughtfully designed pockets help organise smaller essentials.

An integrated raincover quickly deploys to protect your gear when weather conditions change, ensuring you stay prepared on every adventure.

Whether you’re exploring new trails, heading out for a summit hike, or planning a short overnight trip, the Osprey Sirrus 36 delivers breathable comfort, smart organisation, and dependable performance.

Osprey Sirrus 36 Hiking Backpack

$380.00