KS Ultralight KS27 vs. Gregory Nano 24L
Two carry-on travel backpacks, compared spec for spec.
KS Ultralight KS27
| Capacity | 27 L |
| Weight | 0.3 kg |
| Dimensions | 55×28×16 cm |
| Airline fit | 87% |
| Price | $130 |
Feature by feature
| KS Ultralight KS27 | Feature | Gregory Nano 24L |
|---|---|---|
| Storage | ||
| 2 | Compression | 2 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | front |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 2 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| X-pac VX 07 YKK "waterproof zip" | 210D High Density 40% Recycled Nylon / 450D 100% recycled Polyester with C0 DWR |
Gregory Nano 24L
| Capacity | 24 L |
| Weight | 0.6 kg |
| Dimensions | 53×28×23 cm |
| Airline fit | 70% |
| Price | $100 |
Key differences between the KS Ultralight KS27 and Gregory Nano 24L
- Passport pocket: Top on the KS Ultralight KS27; Front on the Gregory Nano 24L.
- Sternum strap: Removable on the KS Ultralight KS27; Yes on the Gregory Nano 24L.
- Main compartments: 2 on the KS Ultralight KS27; 3 on the Gregory Nano 24L.
Both have: compression straps, backpack straps, hip belt, 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. 130 accept both. 34 accept only the KS Ultralight KS27, and 3 accept only the Gregory Nano 24L.
Only the KS Ultralight KS27 fits
Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.
Only the Gregory Nano 24L fits
Scoot, Tiger Airways, WestJet.
KS Ultralight KS27 vs. Gregory Nano 24L: which should you pack?
The KS Ultralight KS27 carries 3L more than the Gregory Nano 24L (27L vs. 24L), while the KS Ultralight KS27 is the lighter pack at 0.3kg (vs. 0.6kg). For carry-on flexibility, the KS Ultralight KS27 fits 87% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the KS Ultralight KS27; if you want to travel lighter, the KS Ultralight KS27 is the better call.