Patagonia Atom Tote Pack 20L vs. Tom Bihn Paramour

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

Patagonia Atom Tote Pack 20L

Capacity20 L
Weight0.6 kg
Dimensions41×30×13 cm
Airline fit95%
Price$90

Feature by feature

Patagonia Atom Tote Pack 20LFeatureTom Bihn Paramour
Storage
N Compression N
None Expanded Capacity None
0 Opening 0
front Passport front
N Passthrough N
Carry
Y Backpack Y
N Hip Belt removable
removable Sternum Strap removable
Inside
13in Laptop 17in
2 Main Compartments 2
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder N
Y Water Resistant N
Material
7.3-oz 400-denier recycled Polyester with DWR Finishbluesign® certified High-Tenacity 630 denier ballistic nylon

Tom Bihn Paramour

Front facing view of the Tom Bihn Paramour
Capacity21 L
Weight0.8 kg
Dimensions46×34×26 cm
Airline fit17%
Price$185

Key differences between the Patagonia Atom Tote Pack 20L and Tom Bihn Paramour

Both have: passport pocket, backpack straps, sternum strap.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 33 accept both. 147 accept only the Patagonia Atom Tote Pack 20L, and 0 accept only the Tom Bihn Paramour.

Only the Patagonia Atom Tote Pack 20L fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Niugini, Air Nostrum, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, American Eagle, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Czech Airlines, Delta Airlines, Dragonair, easyJet, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, WOW Airlines, Xiamen.

Patagonia Atom Tote Pack 20L vs. Tom Bihn Paramour: which should you pack?

The Tom Bihn Paramour carries 1L more than the Patagonia Atom Tote Pack 20L (20L vs. 21L), while the Patagonia Atom Tote Pack 20L is the lighter pack at 0.6kg (vs. 0.8kg). For carry-on flexibility, the Patagonia Atom Tote Pack 20L fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tom Bihn Paramour; if you want to travel lighter, the Patagonia Atom Tote Pack 20L is the better call.