Vertx Any Day Backpack vs. Thule Subterra 34L
Two carry-on travel backpacks, compared spec for spec.
Vertx Any Day Backpack
| Capacity | 20 L |
| Weight | 0.7 kg |
| Dimensions | 42×28×18 cm |
| Airline fit | 96% |
| Price | $130 |
Feature by feature
| Vertx Any Day Backpack | Feature | Thule Subterra 34L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 2 |
| front | Passport | side |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 4 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| Water-Resistant 100% Nylon | 800D nylon |
Thule Subterra 34L
| Capacity | 34 L |
| Weight | 1.2 kg |
| Dimensions | 52×31×23 cm |
| Airline fit | 70% |
| Price | $180 |
Key differences between the Vertx Any Day Backpack and Thule Subterra 34L
- Opening: Clamshell on the Vertx Any Day Backpack; Rolltop on the Thule Subterra 34L.
- Passport pocket: Front on the Vertx Any Day Backpack; Side on the Thule Subterra 34L.
- Sternum strap: No on the Vertx Any Day Backpack; Yes on the Thule Subterra 34L.
Both have: luggage passthrough, backpack straps, laptop sleeve, built-in organizer, 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. 132 accept both. 49 accept only the Vertx Any Day Backpack, and 0 accept only the Thule Subterra 34L.
Only the Vertx Any Day Backpack fits
Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Great Lakes Airlines, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.
Vertx Any Day Backpack vs. Thule Subterra 34L: which should you pack?
The Thule Subterra 34L carries 14L more than the Vertx Any Day Backpack (20L vs. 34L), while the Vertx Any Day Backpack is the lighter pack at 0.7kg (vs. 1.2kg). For carry-on flexibility, the Vertx Any Day Backpack fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Subterra 34L; if you want to travel lighter, the Vertx Any Day Backpack is the better call.