Osprey Sirrus 24 vs. Osprey Sportlite 25

Two carry-on travel backpacks, compared spec for spec.

Osprey Sirrus 24

Capacity	24 L
Weight	1.2 kg
Dimensions	55×34×24 cm
Airline fit	39%
Price	$180

Feature by feature

Osprey Sirrus 24	Feature	Osprey Sportlite 25
Storage
4	Compression	3
None	Expanded Capacity	None
0	Opening	0
top	Passport	top
N	Passthrough	N
Carry
Y	Backpack	Y
Y	Hip Belt	Y
Y	Sternum Strap	Y
Inside
N	Laptop	N
3	Main Compartments	3
N	Organizer	N
Outside
×	Hard Shell	×
Y	Rain-fly	N
2, side	Water Bottle Holder	2, side
N	Water Resistant	Y

Material
bluesign® APPROVED 210D recycled honey comb nylon, PFC/PFAS-free DWR	bluesign®100D recycled high tenacity bird eye nylon, PFC/PFAS-free DWR

Osprey Sportlite 25

by Osprey

Capacity	25 L
Weight	0.8 kg
Dimensions	49×30×24 cm
Airline fit	41%
Price	$125

Key differences between the Osprey Sirrus 24 and Osprey Sportlite 25

Compression straps: 4 on the Osprey Sirrus 24; 3 on the Osprey Sportlite 25.
Rain cover: Yes on the Osprey Sirrus 24; No on the Osprey Sportlite 25.
Water resistant: No on the Osprey Sirrus 24; Yes on the Osprey Sportlite 25.

Both have: passport pocket, backpack straps, hip belt, sternum strap, water bottle pockets.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 73 accept both. 0 accept only the Osprey Sirrus 24, and 4 accept only the Osprey Sportlite 25.

Only the Osprey Sportlite 25 fits

Croatia Air, Etihad Airways, Oman Air, Qatar Airways.

Osprey Sirrus 24 vs. Osprey Sportlite 25: which should you pack?

The Osprey Sportlite 25 carries 1L more than the Osprey Sirrus 24 (24L vs. 25L), while the Osprey Sportlite 25 is the lighter pack at 0.8kg (vs. 1.2kg). For carry-on flexibility, the Osprey Sportlite 25 fits 41% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Sportlite 25; if you want to travel lighter, the Osprey Sportlite 25 is the better call.