---
url: "https://onebag.travel/compare/ucnolfebas/tom-bihn-synik-26/ylkqy1wlx9/six-moon-design-all-day-carry-travel-backpack/"
title: "Tom Bihn Synik 26 vs Six Moon Design All Day Carry Travel Backpack"
description: "Tom Bihn Synik 26 vs Six Moon Design All Day Carry Travel Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/ucnolfebas/tom-bihn-synik-26/ylkqy1wlx9/six-moon-design-all-day-carry-travel-backpack/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Tom Bihn Synik 26 vs. Six Moon Design All Day Carry Travel Backpack

# Tom Bihn Synik 26 vs. Six Moon Design All Day Carry Travel Backpack

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

## [Tom Bihn Synik 26](https://onebag.travel/carryon/ucnolfebas/tom-bihn-synik-26/)

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

![Front facing view of the Tom Bihn Synik 26](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990717/carryons/tom-bihn-synik-26-ucnolfebas.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>26 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>46×34×28 cm</td></tr><tr><td>Airline fit</td><td>14%</td></tr><tr><td>Price</td><td>$340</td></tr></tbody></table>

## Feature by feature

| Tom Bihn Synik 26 | Feature | Six Moon Design All Day Carry Travel Backpack |
| --- | --- | --- |
| Storage |
| N | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | hideable |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 15in |
| 6 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, front | 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®: 2 lb 9 oz / 1185 grams 630d Ballistic/200d Halcyon Lining: 2 lb 11 oz / 1240 grams</td><td>Robic Nylon (100D and 200D Challenge Sailcloth EPX200 Challenge Sailcloth ULTRA</td></tr></tbody></table>

## [Six Moon Design All Day Carry Travel Backpack](https://onebag.travel/carryon/ylkqy1wlx9/six-moon-design-all-day-carry-travel-backpack/)

by [Six Moon Design](https://onebag.travel/carryons/?brands=Six Moon Design)

![Front facing view of the Six Moon Design All Day Carry Travel Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990438/carryons/six-moon-design-all-day-carry-travel-backpack-ylkqy1wlx9.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>55×30×18 cm</td></tr><tr><td>Airline fit</td><td>86%</td></tr><tr><td>Price</td><td>$335</td></tr></tbody></table>

## Key differences between the Tom Bihn Synik 26 and Six Moon Design All Day Carry Travel Backpack

-   **Compression straps:** No on the Tom Bihn Synik 26; 4 on the Six Moon Design All Day Carry Travel Backpack.
-   **Backpack straps:** Yes on the Tom Bihn Synik 26; Hideable on the Six Moon Design All Day Carry Travel Backpack.
-   **Main compartments:** 6 on the Tom Bihn Synik 26; 4 on the Six Moon Design All Day Carry Travel Backpack.
-   **Water bottle pockets:** 1, front on the Tom Bihn Synik 26; 2, side on the Six Moon Design All Day Carry Travel Backpack.

Both have: passport pocket, luggage passthrough, hip belt, sternum strap, laptop sleeve, built-in organizer, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 27 accept both. 0 accept only the Tom Bihn Synik 26, and 136 accept only the Six Moon Design All Day Carry Travel Backpack.

### Only the Six Moon Design All Day Carry Travel Backpack 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, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, 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, PenAir, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, 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.

## Tom Bihn Synik 26 vs. Six Moon Design All Day Carry Travel Backpack: which should you pack?

The **Six Moon Design All Day Carry Travel Backpack** carries 9L more than the **Tom Bihn Synik 26** (26L vs. 35L), while the **Tom Bihn Synik 26** is the lighter pack at 1.2kg (vs. 1.3kg). For carry-on flexibility, the **Six Moon Design All Day Carry Travel Backpack** fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Six Moon Design All Day Carry Travel Backpack; if you want to travel lighter, the Tom Bihn Synik 26 is the better call.