Patagonia Altvia Pack 36L vs. Patagonia Altvia Pack 28L

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

Patagonia Altvia Pack 36L

Capacity	36 L
Weight	0.992 kg
Dimensions	60×31×27 cm
Airline fit	3%
Price	$179

Feature by feature

Patagonia Altvia Pack 36L	Feature	Patagonia Altvia Pack 28L
Storage
Y	Compression	Y
None	Expanded Capacity	None
0	Opening	0
N	Passport	N
N	Passthrough	N
Carry
Y	Backpack	Y
Y	Hip Belt	Y
Y	Sternum Strap	Y
Inside
N	Laptop	N
1	Main Compartments	1
	Organizer	N
Outside
×	Hard Shell	×
Y	Rain-fly	removable
2	Water Bottle Holder	2
Y	Water Resistant	Y

Material
140-denier 100% recycled nylon ripstop, 210-denier 100% recycled nylon ripstop	140-denier 100% recycled nylon ripstop, 200-denier 100% recycled polyester

Patagonia Altvia Pack 28L

by Patagonia

Capacity	28 L
Weight	0.797 kg
Dimensions	59×30×27 cm
Airline fit	3%
Price	$139

Key differences between the Patagonia Altvia Pack 36L and Patagonia Altvia Pack 28L

Rain cover: Yes on the Patagonia Altvia Pack 36L; Removable on the Patagonia Altvia Pack 28L.

Both have: compression straps, backpack straps, hip belt, sternum strap, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 6 accept both. Every airline that takes one takes the other.

Patagonia Altvia Pack 36L vs. Patagonia Altvia Pack 28L: which should you pack?

The Patagonia Altvia Pack 36L carries 8L more than the Patagonia Altvia Pack 28L (36L vs. 28L), while the Patagonia Altvia Pack 28L is the lighter pack at 0.797kg (vs. 0.992kg). For carry-on flexibility, the Patagonia Altvia Pack 36L fits 3% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Altvia Pack 36L; if you want to travel lighter, the Patagonia Altvia Pack 28L is the better call.