Cotopaxi Allpa 35L vs. Exped Core 35

Let's dive into the world of carry-on essentials as we juxtapose two outstanding backpacks; specifically, the Cotopaxi Allpa 35L and the Exped Core 35. Both packs boast a robust capacity of 35 liters, perfect for the active traveler who needs to keep essentials on hand. The Allpa has the advantage of compatibility with 80% of airlines, something to consider if you're an extensive globetrotter. On the flipside, the Exped Core 35 takes the win in terms of weight, coming in at a feather-light 0.1 pounds compared to the Cotopaxi’s 1.5 pounds.

Here are our main comparison points:

• Both are 35 liters in capacity.
• Size-wise, the Cotopaxi Allpa 35L is 20' high and 51' deep while Exped Core 35 slightly bigger at 23' high and 62' deep.
• The Allpa is heavier at 1.5 pounds, Exped Core 35 weighs only 0.1 pounds.
• Construction: Both have 1680D ballistic nylon. The Exped Core 35 has added PU coating, offering water resistance.
• Airline compatibility: Cotopaxi Allpa 35L (80%) and Exped Core 35 (89%).
• The Cotopaxi Allpa 35L has a laptop compartment for a 15" laptop; the Exped Core 35 does not.

Moving onto the build components, the Cotopaxi Allpa 35L is constructed from a 1680D ballistic nylon paneling, promising extreme durability. It also includes a laptop compartment, accommodating up to a 15 inch laptop, taking a noticeable edge over the Exped Core 35 which lacks this feature. However, one cannot overlook the Exped Core 35's weatherproof construction; it promises a backpack that will bear the brunt of Mother Nature's moods.

In conclusion, if you are the tech-savvy traveler desiring to carry your laptop safely, the Cotopaxi Allpa 35L is your undeniable pick! On the other hand, if you tend to engage in outdoor activities and could benefit from a lightweight, weatherproof backpack, you should straightaway opt for the Exped Core 35. With either of these leading backpacks, your traveling experience promises to be a breeze!