Kathmandu Solus Pack 20 vs. STM Grace
Two carry-on travel backpacks, compared spec for spec.
Kathmandu Solus Pack 20
| Capacity | 20 L |
| Weight | 0.42 kg |
| Dimensions | 47×28×19 cm |
| Airline fit | 93% |
| Price | $60 |
Feature by feature
| Kathmandu Solus Pack 20 | Feature | STM Grace |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| N | Water Resistant | Y |
| Material | |
| 100% Polyester | 100% polyester |
Key differences between the Kathmandu Solus Pack 20 and STM Grace
- Built-in organizer: No on the Kathmandu Solus Pack 20; Yes on the STM Grace.
- Water resistant: No on the Kathmandu Solus Pack 20; Yes on the STM Grace.
Both have: backpack straps, laptop sleeve.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 175 accept both. 1 accept only the Kathmandu Solus Pack 20, and 5 accept only the STM Grace.
Only the Kathmandu Solus Pack 20 fits
Great Lakes Airlines.
Only the STM Grace fits
Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.
Kathmandu Solus Pack 20 vs. STM Grace: which should you pack?
The Kathmandu Solus Pack 20 carries the same capacity as the STM Grace (20L vs. 20L), while the Kathmandu Solus Pack 20 is the lighter pack at 0.42kg (vs. 0.6kg). For carry-on flexibility, the STM Grace fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Kathmandu Solus Pack 20; if you want to travel lighter, the Kathmandu Solus Pack 20 is the better call.