KS Ultralight KS27 vs. ILE Default Mini
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 | ILE Default Mini |
|---|---|---|
| Storage | ||
| 2 | Compression | 4 |
| None | Expanded Capacity | None |
| 0 | Opening | 2 |
| top | Passport | |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | 15in |
| 2 | 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 | |
| X-pac VX 07 YKK "waterproof zip" | 1000D Cordura or xpac 1.45kg x-pac; 1.65kg cordura |
Key differences between the KS Ultralight KS27 and ILE Default Mini
- Compression straps: 2 on the KS Ultralight KS27; 4 on the ILE Default Mini.
- Opening: Other on the KS Ultralight KS27; Rolltop on the ILE Default Mini.
- Laptop sleeve: No on the KS Ultralight KS27; 15in on the ILE Default Mini.
Both have: backpack straps, hip belt, sternum strap, 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. 163 accept both. 1 accept only the KS Ultralight KS27, and 6 accept only the ILE Default Mini.
Only the KS Ultralight KS27 fits
Great Lakes Airlines.
Only the ILE Default Mini fits
Liat Airlines, Oman Air, Royal Jordanian, Scoot, Tiger Airways, WestJet.
KS Ultralight KS27 vs. ILE Default Mini: which should you pack?
The KS Ultralight KS27 carries 2L more than the ILE Default Mini (27L vs. 25L), while the KS Ultralight KS27 is the lighter pack at 0.3kg (vs. 1.5kg). For carry-on flexibility, the ILE Default Mini fits 89% 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.