Gregory Nano 28L vs. KS Ultralight KS27
Two carry-on travel backpacks, compared spec for spec.
Gregory Nano 28L
| Capacity | 28 L |
| Weight | 0.6 kg |
| Dimensions | 54×31×23 cm |
| Airline fit | 69% |
| Price | $101 |
Feature by feature
| Gregory Nano 28L | Feature | KS Ultralight KS27 |
|---|---|---|
| Storage | ||
| 2 | Compression | 2 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| front | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | removable |
| Inside | ||
| N | Laptop | N |
| 3 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 210D High Density 40% Recycled Nylon / 450D 100% recycled Polyester with C0 DWR | X-pac VX 07 YKK "waterproof zip" |
KS Ultralight KS27
| Capacity | 27 L |
| Weight | 0.3 kg |
| Dimensions | 55×28×16 cm |
| Airline fit | 87% |
| Price | $130 |
Key differences between the Gregory Nano 28L and KS Ultralight KS27
- Passport pocket: Front on the Gregory Nano 28L; Top on the KS Ultralight KS27.
- Sternum strap: Yes on the Gregory Nano 28L; Removable on the KS Ultralight KS27.
- Main compartments: 3 on the Gregory Nano 28L; 2 on the KS Ultralight KS27.
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. 129 accept both. 2 accept only the Gregory Nano 28L, and 35 accept only the KS Ultralight KS27.
Only the Gregory Nano 28L fits
Scoot, Tiger Airways.
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, Great Lakes Airlines, 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.
Gregory Nano 28L vs. KS Ultralight KS27: which should you pack?
The Gregory Nano 28L carries 1L more than the KS Ultralight KS27 (28L vs. 27L), 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 Gregory Nano 28L; if you want to travel lighter, the KS Ultralight KS27 is the better call.