---
url: "https://onebag.travel/compare/5uozk4l5zy/ks-ultralight-ks27/6oxn4kadrw/patagonia-terravia-28l/"
title: "KS Ultralight KS27 vs Patagonia Terravia 28L"
description: "KS Ultralight KS27 vs Patagonia Terravia 28L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/5uozk4l5zy/ks-ultralight-ks27/6oxn4kadrw/patagonia-terravia-28l/"
---
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3.  KS Ultralight KS27 vs. Patagonia Terravia 28L

# KS Ultralight KS27 vs. Patagonia Terravia 28L

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 | Patagonia Terravia 28L |
| --- | --- | --- |
| Storage |
| 2 | Compression | 3 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | N |
| 2 | Main Compartments | 2 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | Y |
| 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>2.4-oz 70-denier 100% recycled nylon ripstop with a PU coating</td></tr></tbody></table>

## [Patagonia Terravia 28L](https://onebag.travel/carryon/6oxn4kadrw/patagonia-terravia-28l/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>0.7 kg</td></tr><tr><td>Dimensions</td><td>58×28×20 cm</td></tr><tr><td>Airline fit</td><td>17%</td></tr><tr><td>Price</td><td>$170</td></tr></tbody></table>

## Key differences between the KS Ultralight KS27 and Patagonia Terravia 28L

-   **Compression straps:** 2 on the KS Ultralight KS27; 3 on the Patagonia Terravia 28L.
-   **Hip belt:** Removable on the KS Ultralight KS27; Yes on the Patagonia Terravia 28L.
-   **Rain cover:** No on the KS Ultralight KS27; Yes on the Patagonia Terravia 28L.

Both have: passport pocket, backpack straps, 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. 32 accept both. 132 accept only the KS Ultralight KS27, and 0 accept only the Patagonia Terravia 28L.

### Only the KS Ultralight KS27 fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Nostrum, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, China Eastern, CommutAir, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, Spirit Airlines, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WOW Airlines, Xiamen.

## KS Ultralight KS27 vs. Patagonia Terravia 28L: which should you pack?

The **Patagonia Terravia 28L** carries 1L more than the **KS Ultralight KS27** (27L vs. 28L), while the **KS Ultralight KS27** is the lighter pack at 0.3kg (vs. 0.7kg). 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 Patagonia Terravia 28L; if you want to travel lighter, the KS Ultralight KS27 is the better call.