Osprey Porter 46 vs. Cotopaxi Allpa 35L

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

Osprey Porter 46

Front facing view of the Osprey Porter 46
Capacity46 L
Weight1.5 kg
Dimensions56×36×23 cm
Airline fit47%
Price$150

Feature by feature

Osprey Porter 46FeatureCotopaxi Allpa 35L
Storage
S Compression N
None Expanded Capacity None
4 Opening 4
N Passport Y
N Passthrough N
Carry
H Backpack H
H Hip Belt R
H Sternum Strap S
Inside
1 Laptop 15
3 Main Compartments 3
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
0 Water Bottle Holder 0
Y Water Resistant Y
Material
Nylon1680D ballistic nylon paneling

Cotopaxi Allpa 35L

Front facing view of the Cotopaxi Allpa 35L
Capacity35 L
Weight1.5 kg
Dimensions51×30×20 cm
Airline fit80%
Price$200

The Osprey Porter 46 and Cotopaxi Allpa 35L are both favored among seasoned travelers, yet they have notable differences. The Porter 46, as the name suggests, provides an expansive 46-liter capacity, which is ideal for those longer trips or for those who simply struggle to travel light. Consequently, this larger size does limit its compatibility with airlines, making it suitable for 47% as against the Allpa 35L's compatibility with 80% airlines. Both packs are alike in their lightweight build as they sit at 1.5 pounds each. However, the Porter 46 offers a slightly larger laptop pouch catering to a 17 inch laptop as opposed to the Allpa's 15 inch capacity.

The built quality of these two backpacks also differs. The Porter 46 is fashioned from Nylon, making it resilient for the road. On the flip side, the Allpa 35L takes durability up a notch with its 1680D ballistic nylon paneling which is known for its resistance to tears and scuffs. Opinions from users further illustrate the unique selling points. For the Porter 46, owners appreciate the spaciousness, great suspension, and the handy compression strap. The praise for the Allpa 35L attributes its appeal to the additional rain cover for added protection, comfort of its straps, and the inclusion of organizers such as a laundry bag and shoe bag.

Both packs offer different strengths according to your trip needs. For the heavy packers, the Porter 46 will serve well with its larger capacity and great suspension. For those frequent flyers hopping from one airline to another, the carry-on compliance of the Allpa 35L is a boon. Plus, if you value packing organizers or extra protection against elements, the Allpa 35L offers those, too. It's always best to review each feature and align it with your travel habits before making an investment to your gear.