Cotopaxi Allpa 35L vs. Exped Serac 25

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 35LFeatureExped Serac 25
Storage
N Compression N
None Expanded Capacity None
4 Opening 3
Y Passport N
N Passthrough N
Carry
H Backpack S
R Hip Belt R
S Sternum Strap S
Inside
15 Laptop 0
3 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
0 Water Bottle Holder 0
Y Water Resistant Y
Material
1680D ballistic nylon paneling420 D ripstop nylon, TPU film laminate, >10'000 mm water column

Exped Serac 25

Front facing view of the Exped Serac 25
Capacity25 L
Weight0.765 kg
Dimensions55×25×21 cm
Airline fit63%
Price$200

The Cotopaxi Allpa 35L and the Exped Serac 25 are both high quality backpacks suitable for carry on, but they cater to different traveller needs. The former being roomy and having a strong emphasis on organization, while the latter focuses on being light, sturdy and ready to face any weather condition.

Cotopaxi Allpa 35L is spacious, boasting a 35 liters capacity compared to the Exped Serac 25’s 25 liters. At 1.5 pounds, it’s a bit heavier than the Serac 25, which weighs in at 0.765 pounds. However, it’s easy to see where the extra weight comes from. The Allpa 35L is designed with 1680D ballistic nylon panelling and has a myriad of storage compartments, including a laptop sleeve capable of fitting a 15 inch laptop. From numerous reviewers praises, what stands out is its intuitive internal organization, perfect for those faithfulness in neat packings.

On the other side, the Exped Serac 25 has been highlighted by users as an exceptional waterproof pack suited for the adventurous and active traveller. Even though it's not as voluminous as the Allpa 35L, it’s light and rugged, made from a 420 D ripstop nylon with a laminate coating. It doesn’t have a laptop compartment, hence the focus shifts towards efficient accessibility with side zippered access to main compartment, and multiple gear attachment points for outdoor adventures.

Ultimately, choosing between these two depends on what kind of traveller you are. If you’re someone who likes to bring along a lot of gear, place a priority on organization, and might need to carry a laptop, the Cotopaxi Allpa 35L sounds up your alley. But if you’re aiming for light and fast missions where versatility and weatherproof capabilities are required, then the Exped Serac 25 should be your backpack of choice.