---
url: "https://onebag.travel/compare/147wj27snm/osprey-skarab-30/5uozk4l5zy/ks-ultralight-ks27/"
title: "Osprey Skarab 30 vs KS Ultralight KS27 - One Bag Travel"
description: "Osprey Skarab 30 vs KS Ultralight KS27: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/147wj27snm/osprey-skarab-30/5uozk4l5zy/ks-ultralight-ks27/"
---
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3.  Osprey Skarab 30 vs. KS Ultralight KS27

# Osprey Skarab 30 vs. KS Ultralight KS27

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

## [Osprey Skarab 30](https://onebag.travel/carryon/147wj27snm/osprey-skarab-30/)

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

![Front facing view of the Osprey Skarab 30](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990419/carryons/osprey-skarab-30-147wj27snm.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>54×28×25 cm</td></tr><tr><td>Airline fit</td><td>39%</td></tr><tr><td>Price</td><td>$160</td></tr></tbody></table>

## Feature by feature

| Osprey Skarab 30 | Feature | KS Ultralight KS27 |
| --- | --- | --- |
| Storage |
| 4 | Compression | 2 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | 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 |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>bluesign® APPROVED, 100% recycled 100Dx210D high-tenacity nylon, DWR treatment made without PFAS</td><td>X-pac VX 07 YKK "waterproof zip"</td></tr></tbody></table>

## [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>

## Key differences between the Osprey Skarab 30 and KS Ultralight KS27

-   **Compression straps:** 4 on the Osprey Skarab 30; 2 on the KS Ultralight KS27.
-   **Sternum strap:** Yes on the Osprey Skarab 30; Removable on the KS Ultralight KS27.

Both have: passport pocket, 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. 74 accept both. 0 accept only the Osprey Skarab 30, and 90 accept only the KS Ultralight KS27.

### Only the KS Ultralight KS27 fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, Xiamen.

## Osprey Skarab 30 vs. KS Ultralight KS27: which should you pack?

The **Osprey Skarab 30** carries 3L more than the **KS Ultralight KS27** (30L vs. 27L), while the **KS Ultralight KS27** is the lighter pack at 0.3kg (vs. 0.9kg). 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 Osprey Skarab 30; if you want to travel lighter, the KS Ultralight KS27 is the better call.