Cotopaxi Allpa 35L vs. Aer Tech Pack

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

Cotopaxi Allpa 35L

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

Feature by feature

Cotopaxi Allpa 35LFeatureAer Tech Pack
Storage
N Compression N
None Expanded Capacity None
4 Opening 0
Y Passport top
N Passthrough N
Carry
H Backpack
R Hip Belt N
S Sternum Strap R
Inside
15 Laptop 16
3 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
0 Water Bottle Holder
Y Water Resistant Y
Material
1680D ballistic nylon panelingWater-resistant, coated front exterior 1680D Cordura ballistic nylon side exterior YKK AquaGuard zippers

Aer Tech Pack

by Aer
Front facing view of the Aer Tech Pack
Capacity16 L
Weight1.5 kg
Dimensions49×33×19 cm
Airline fit98%
Price$200

When it comes to choosing the ideal carry-on backpack for your travels, often the decision narrows down to a few key contenders. In this case, we put Cotopaxi Allpa 35L and the Aer Tech Pack head-to-head. Cotopaxi Allpa 35L has a considerable capacity, exactly as indicated, of 35 liters. This spacious bag stands tall at 20 inches with its width and depth measuring 30 inches and 51 inches respectively. This backpack is aimed at world travelers and is designed for simplicity and durability. Its compatibility with 80% of airline size restrictions further adds to its convenience.

On the other hand, we have the Aer Tech Pack. Its height significantly exceeds that of the Cotopaxi’s at 49 inches and continues to push the boundaries with its width and depth, measuring 33 inches and 19 inches respectively. This bag's capacity sits comfortably at 16 liters, perfect for an essentialist or business traveler. Additionally, the compatibility of this backpack is nearly universal, fitting the guidelines of 98% of airlines around the globe.

Key Point Differences:

When we consider the materials used in these backpacks, the Aer Tech Pack presents a more water-resistant approach, clearly aimed at the gadget-toting traveler. A 16-inch laptop can comfortably be lodged in its compartment. The Cotopaxi Allpa 35L's strength lies in its internal organization - considered by reviewers as one of the best configurations used. The backpack can safely store a 15-inch laptop and includes bonus carryalls like a mesh laundry bag, a nylon shoe bag, and a mesh water bottle sleeve for additional convenience.

When we summarize the reviewers' views, both bags come out shining, each with their distinct appeal. The Cotopaxi Allpa 35L seems like an ideal gift for graduating students or a budding world traveler, thanks to its light and simple design coupled with a considerable capacity. Meanwhile, the Aer Tech Pack earns its laurels as a worthy ally of urban and tech-savvy travelers, presenting an optimal blend of sleek design, durable materials, and almost universal airline compatibility.