Osprey Sirrus 24 (Womens) Colour:Purple Dusk Replacement bladders extend its lifespan

Replacement bladders extend its lifespan with simple swaps

Built on a structure of Lycra® and set by our Thermo Fit process ensures the sock returns to its original shape and size after every wash

Offering an adjustable men's fit and spacious storage

The square buckets are very easy to stack and store

while our lamination and weld quality set a new standard for reliability

Osprey Sirrus 24 (Womens) Colour:Purple Dusk Replacement bladders extend its lifespanExperience 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.