Cotopaxi Allpa 35L vs. Jansport Chill Pack

The Cotopaxi Allpa 35L carry-on backpack offers travelers an excellent, durable design that features 1680D ballistic nylon paneling. It is a larger pack, coming in at 20 inches tall, 30 inches wide, and 51 inches deep, and has a weight of 1.5 pounds, making it slightly heavier than the Jansport Chill Pack. The Cotopaxi Allpa 35L also presents well in terms of compatibility, being suitable for use on 80% of airlines. The laptop carry compartment, which is able to accommodate a 15-inch laptop, is an attractive feature for today's tech-savvy travelers. Users are also beneficiaries of several added bonuses such as a rain cover, a collapsible laundry bag, shoe bag and a water bottle sleeve.

On the other hand, the Jansport Chill Pack is a little taller but narrower than the Cotopaxi Allpa 35L, measuring 22 inches in height, 28.5 inches in width and 50 inches deep. It weighs in at a working-man's 0.97 pounds, which is lighter than the Cotopaxi Allpa 35L. Despite being smaller, the Jansport Chill Pack also has a 35 liters of capacity, but it offers fewer airline compatibility, at only 66%. It's constructed of solid 600 Denier Polyester material, promising durability, but it does not have a laptop compartment, which could be a drawback for some users. It boasts a lifetime warranty and a cooling feature that can maintain the temperature of its contents for up to 48 hours. It can hold up to 40 cans along with 6 pounds of ice, perfect for trips. The shoulder straps have a built-in bottle opener, always a handy addition.

Here are key comparators, summarizing the differences:

• The Cotopaxi Allpa 35L is slightly larger, but heavier than the Jansport Chill Pack.
• The Cotopaxi Allpa 35L is made of strong 1680D ballistic nylon paneling, while the Jansport Chill Pack is composed of 600 Denier Polyester.
• The Cotopaxi Allpa 35L has a handy laptop compartment, which the Jansport Chill Pack lacks.
• The Cotopaxi Allpa 35L is more airline compatible at 80% to the Jansport Chill Pack's 66%.
• The Jansport Chill Pack boasts a cooling feature and a built-in bottle opener.

Whether it's the Cotopaxi Allpa 35L or the Jansport Chill Pack that tickles your fancy, both packs have garnered rave reviews. The Allpa 35L has been lauded as an 'excellent all-round bag', a 'Top Pick for Light and Easy', and having a 'very intuitive and helpful' internal organization. The Chill Pack also has a die-hard following, thanks to its durability and impressive cooler pack keeping the contents cool for slightly under two days. It's clear that each backpack caters to different needs, and would be a solid choice for different sorts of travelers. Make sure to deliberate over what features are crucial for you, and then make your decision.