KS Ultralight KS27 vs. Matador Freerain22 Waterproof Packable Backpack
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 | Matador Freerain22 Waterproof Packable Backpack |
|---|---|---|
| Storage | ||
| 2 | Compression | 2 |
| None | Expanded Capacity | None |
| 0 | Opening | 2 |
| top | Passport | front |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | N |
| 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" | 70D Robic® nylon with UHMWPE ripstop, PFAS free |
Matador Freerain22 Waterproof Packable Backpack
| Capacity | 22 L |
| Weight | 0.3 kg |
| Dimensions | 50×27×18 cm |
| Airline fit | 92% |
| Price | $100 |
Key differences between the KS Ultralight KS27 and Matador Freerain22 Waterproof Packable Backpack
- Opening: Other on the KS Ultralight KS27; Rolltop on the Matador Freerain22 Waterproof Packable Backpack.
- Passport pocket: Top on the KS Ultralight KS27; Front on the Matador Freerain22 Waterproof Packable Backpack.
Both have: compression straps, 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. 164 accept both. 0 accept only the KS Ultralight KS27, and 10 accept only the Matador Freerain22 Waterproof Packable Backpack.
Only the Matador Freerain22 Waterproof Packable Backpack fits
Air Niugini, Belavia, Etihad Airways, Liat Airlines, Oman Air, Qatar Airways, Royal Jordanian, Scoot, Tiger Airways, WestJet.
KS Ultralight KS27 vs. Matador Freerain22 Waterproof Packable Backpack: which should you pack?
The KS Ultralight KS27 carries 5L more than the Matador Freerain22 Waterproof Packable Backpack (27L vs. 22L), while the KS Ultralight KS27 is the lighter pack at 0.3kg (vs. 0.3kg). For carry-on flexibility, the Matador Freerain22 Waterproof Packable Backpack fits 92% 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.