ILE Transit 25L vs. Peak Design Outdoor Backpack 45L
Two carry-on travel backpacks, compared spec for spec.
ILE Transit 25L
| Capacity | 25 L |
| Weight | 2 kg |
| Dimensions | 50.8×30.5×15.2 cm |
| Airline fit | 89% |
| Price | $220 |
Feature by feature
| ILE Transit 25L | Feature | Peak Design Outdoor Backpack 45L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | 45L |
| 2 | Opening | 1 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 1 | Main Compartments | 1 |
| Y | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 4, side |
| Y | Water Resistant | Y |
| Material | |
| Durable Cordura, waxed canvas, or XPAC sailcloth exterior | Ultralight Terra Shell™ 210D ripstop |
Peak Design Outdoor Backpack 45L
| Capacity | 35 L |
| Weight | 1.6 kg |
| Dimensions | 56×31×17 cm |
| Airline fit | 47% |
| Price | $330 |
Key differences between the ILE Transit 25L and Peak Design Outdoor Backpack 45L
- Opening: Rolltop on the ILE Transit 25L; Clamshell on the Peak Design Outdoor Backpack 45L.
- Built-in organizer: Yes on the ILE Transit 25L; No on the Peak Design Outdoor Backpack 45L.
- Water bottle pockets: 2 on the ILE Transit 25L; 4, side on the Peak Design Outdoor Backpack 45L.
Both have: backpack straps, hip belt, sternum strap, laptop sleeve, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 88 accept both. 81 accept only the ILE Transit 25L, and 0 accept only the Peak Design Outdoor Backpack 45L.
Only the ILE Transit 25L fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, China Eastern, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.
ILE Transit 25L vs. Peak Design Outdoor Backpack 45L: which should you pack?
The Peak Design Outdoor Backpack 45L carries 10L more than the ILE Transit 25L (25L vs. 35L), while the Peak Design Outdoor Backpack 45L is the lighter pack at 1.6kg (vs. 2kg). For carry-on flexibility, the ILE Transit 25L fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Peak Design Outdoor Backpack 45L; if you want to travel lighter, the Peak Design Outdoor Backpack 45L is the better call.