Osprey Porter 46 vs. OPPOSETHIS Invisible Rolltop

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
Dimensions55×36×23 cm
Airline fit61%
Price$185

Feature by feature

Osprey Porter 46FeatureOPPOSETHIS Invisible Rolltop
Storage
2 Compression N
None Expanded Capacity 26L
1 Opening 2
top Passport N
Y Passthrough N
Carry
hideable Backpack Y
hideable Hip Belt N
Y Sternum Strap removable
Inside
16in Laptop 17in
4 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
bluesign®-approved Recycled 500D Nylon Packcloth PFC Free DWR800x600D lightweight waterproof nylon-polyester blend

OPPOSETHIS Invisible Rolltop

Front facing view of the OPPOSETHIS Invisible Rolltop
Capacity21 L
Weight0.9 kg
Dimensions45×39×15 cm
Airline fit59%
Price$185

Key differences between the Osprey Porter 46 and OPPOSETHIS Invisible Rolltop

Both have: water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 77 accept both. 39 accept only the Osprey Porter 46, and 35 accept only the OPPOSETHIS Invisible Rolltop.

Only the Osprey Porter 46 fits

Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

Only the OPPOSETHIS Invisible Rolltop fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Croatia Air, Enter Air, Etihad Airways, Gulf Air, Icelandair, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

When traveling, the right pack can make all the difference. Enter the Osprey Porter 46 and the OPPOSETHIS Invisible Rolltop: two packs vying for space on your back. The Porter, designed by renowned outdoor gear manufacturer Osprey, sits as a robust guitar, offering 46 liters of storage space and standing 23 inches tall. It sports a hefty structure fit for those who always like to carry a little extra. Composed of durable nylon, the pack is a powerhouse in terms of storage, even fitting laptops up to 17 inches in its specialized compartment.

On the other end, we have the Invisible Rolltop by OPPOSETHIS. This stealthy contraption, also made from a blend of nylon and polyester, is a slimmer choice standing just 15 inches tall. Its body, though lithe, can still put away a whopping 21 liters of gear. One of its most notable features is its laptop compartment, which can accommodate an even wider laptop. Its sleek and casual design is not only pleasing to the eyes but it also sits comfortably on your back, even when heavily laden.

The Porter's size is certainly a boon for voluminous gear, and it was noted that despite its size it remained lightweight for its capacity. Its clamshell opening was noted as an excellent feature for convenient packing and unpacking. The Invisible Rolltop, meanwhile, shines in its minimalist aesthetic and practical design. Its side access to the main compartment was highlighted as being particularly convenient. Furthermore, its covert design means it transitions seamlessly from wilderness to urban settings and back again.

Both of these packs offer excellent options for the discerning traveler. Whether your leanings are towards the expansive and robust Porter, or the svelte and sleek Invisible Rolltop, either pack will serve you well on your journey. Consider your needs, the environment you'll be in, and the specific features each bag offers before you make your choice. At the end of the day, the right pack will make your journey a little bit easier.