Ortlieb Atrack CR vs. STM Good Myth Backpack 28L

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

Ortlieb Atrack CR

Front facing view of the Ortlieb Atrack CR
Capacity25 L
Weight1.22 kg
Dimensions56×26×25 cm
Airline fit27%
Price$265

Feature by feature

Ortlieb Atrack CRFeatureSTM Good Myth Backpack 28L
Storage
N Compression N
None Expanded Capacity None
0 Opening 0
N Passport N
N Passthrough Y
Carry
Y Backpack Y
removable Hip Belt N
Y Sternum Strap Y
Inside
N Laptop 16in
1 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
PS33100% polyester

STM Good Myth Backpack 28L

by Stm
Front facing view of the STM Good Myth Backpack 28L
Capacity28 L
Weight1.2 kg
Dimensions46×31×18 cm
Airline fit94%
Price$140

Key differences between the Ortlieb Atrack CR and STM Good Myth Backpack 28L

Both have: backpack straps, sternum strap, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 50 accept both. 1 accept only the Ortlieb Atrack CR, and 127 accept only the STM Good Myth Backpack 28L.

Only the Ortlieb Atrack CR fits

Great Lakes Airlines.

Only the STM Good Myth Backpack 28L fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, American Eagle, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Czech Airlines, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, 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, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

Ortlieb Atrack CR vs. STM Good Myth Backpack 28L: which should you pack?

The STM Good Myth Backpack 28L carries 3L more than the Ortlieb Atrack CR (25L vs. 28L), while the STM Good Myth Backpack 28L is the lighter pack at 1.2kg (vs. 1.22kg). For carry-on flexibility, the STM Good Myth Backpack 28L fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Good Myth Backpack 28L; if you want to travel lighter, the STM Good Myth Backpack 28L is the better call.