---
url: "https://onebag.travel/compare/5uozk4l5zy/ks-ultralight-ks27/l3f20y5ms4/ile-default-mini/"
title: "KS Ultralight KS27 vs ILE Default Mini - One Bag Travel"
description: "KS Ultralight KS27 vs ILE Default Mini: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/5uozk4l5zy/ks-ultralight-ks27/l3f20y5ms4/ile-default-mini/"
---
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3.  KS Ultralight KS27 vs. ILE Default Mini

# KS Ultralight KS27 vs. ILE Default Mini

Two carry-on travel backpacks, compared spec for spec.

## [KS Ultralight KS27](https://onebag.travel/carryon/5uozk4l5zy/ks-ultralight-ks27/)

by [KS Ultralight](https://onebag.travel/carryons/?brands=KS Ultralight)

![Front facing view of the KS Ultralight KS27](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990375/carryons/ks-ultralight-ks27-5uozk4l5zy.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>27 L</td></tr><tr><td>Weight</td><td>0.3 kg</td></tr><tr><td>Dimensions</td><td>55×28×16 cm</td></tr><tr><td>Airline fit</td><td>87%</td></tr><tr><td>Price</td><td>$130</td></tr></tbody></table>

## 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 |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>X-pac VX 07 YKK "waterproof zip"</td><td>1000D Cordura or xpac 1.45kg x-pac; 1.65kg cordura</td></tr></tbody></table>

## [ILE Default Mini](https://onebag.travel/carryon/l3f20y5ms4/ile-default-mini/)

by [ILE](https://onebag.travel/carryons/?brands=ILE)

![Front facing view of the ILE Default Mini](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601211874/carryons/iledefault_dwxnh5.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>51×31×15 cm</td></tr><tr><td>Airline fit</td><td>89%</td></tr><tr><td>Price</td><td>$275</td></tr></tbody></table>

## 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.