Vertx Any Day Backpack vs. Mountainsmith Divide
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 | Mountainsmith Divide |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 4 |
| front | Passport | front |
| Y | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | removable |
| N | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | 15in |
| 4 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| Water-Resistant 100% Nylon | TC 20s 2x2 Waxed Canvas PU 210d Recycled Nylon SD Oxford PU |
Mountainsmith Divide
| Capacity | 16 L |
| Weight | 0.7 kg |
| Dimensions | 46×28×14 cm |
| Airline fit | 95% |
| Price | $90 |
Key differences between the Vertx Any Day Backpack and Mountainsmith Divide
- Opening: Clamshell on the Vertx Any Day Backpack; Top zip on the Mountainsmith Divide.
- Luggage passthrough: Yes on the Vertx Any Day Backpack; No on the Mountainsmith Divide.
- Hip belt: No on the Vertx Any Day Backpack; Removable on the Mountainsmith Divide.
- Water bottle pockets: 1, side on the Vertx Any Day Backpack; 2, side on the Mountainsmith Divide.
Both have: passport pocket, backpack straps, laptop sleeve, built-in organizer, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 179 accept both. 2 accept only the Vertx Any Day Backpack, and 0 accept only the Mountainsmith Divide.
Only the Vertx Any Day Backpack fits
Air Tahiti, Gulf Air.
Vertx Any Day Backpack vs. Mountainsmith Divide: which should you pack?
The Vertx Any Day Backpack carries 4L more than the Mountainsmith Divide (20L vs. 16L), while the Vertx Any Day Backpack is the lighter pack at 0.7kg (vs. 0.7kg). 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 Vertx Any Day Backpack; if you want to travel lighter, the Vertx Any Day Backpack is the better call.