Transit Travel Backpack 35L vs. Peak Design Travel Backpack 45L
Two carry-on travel backpacks, compared spec for spec.
Transit Travel Backpack 35L
| Capacity | 30 L |
| Weight | 1.9 kg |
| Dimensions | 50×29×22 cm |
| Airline fit | 72% |
| Price | $300 |
Feature by feature
| Transit Travel Backpack 35L | Feature | Peak Design Travel Backpack 45L |
|---|---|---|
| Storage | ||
| 2 | Compression | 1 |
| None | Expanded Capacity | 45L |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | hideable |
| optional, hideable | Hip Belt | hideable |
| removable | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 7 | Main Compartments | 7 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| Y | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| shell: Weatherproof 400D nylon canvas bottom: 900D nylon weatherproof zippers | |
Peak Design Travel Backpack 45L
| Capacity | 35 L |
| Weight | 2.1 kg |
| Dimensions | 56×33×24 cm |
| Airline fit | 26% |
| Price | $300 |
Key differences between the Transit Travel Backpack 35L and Peak Design Travel Backpack 45L
- Compression straps: 2 on the Transit Travel Backpack 35L; 1 on the Peak Design Travel Backpack 45L.
- Hip belt: Optional, hideable on the Transit Travel Backpack 35L; Hideable on the Peak Design Travel Backpack 45L.
- Built-in organizer: No on the Transit Travel Backpack 35L; Yes on the Peak Design Travel Backpack 45L.
- Rain cover: Yes on the Transit Travel Backpack 35L; No on the Peak Design Travel Backpack 45L.
Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, laptop sleeve, 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. 49 accept both. 88 accept only the Transit Travel Backpack 35L, and 0 accept only the Peak Design Travel Backpack 45L.
Only the Transit Travel Backpack 35L fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Canada, Air Caraibes, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Croatia Air, Czech Airlines, Delta Airlines, Dragonair, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, WestJet.
Transit Travel Backpack 35L vs. Peak Design Travel Backpack 45L: which should you pack?
The Peak Design Travel Backpack 45L carries 5L more than the Transit Travel Backpack 35L (30L vs. 35L), while the Transit Travel Backpack 35L is the lighter pack at 1.9kg (vs. 2.1kg). For carry-on flexibility, the Transit Travel Backpack 35L fits 72% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Peak Design Travel Backpack 45L; if you want to travel lighter, the Transit Travel Backpack 35L is the better call.