---
url: "https://onebag.travel/compare/3m1t3p4dt2/rei-co-op-flash-pack-22/njz1o3n2y7/5-11-rush-72-2-0-backpack-55l/"
title: "REI Co-op Flash Pack 22 vs 5.11 Rush 72 2.0 Backpack 55L"
description: "REI Co-op Flash Pack 22 vs 5.11 Rush 72 2.0 Backpack 55L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/3m1t3p4dt2/rei-co-op-flash-pack-22/njz1o3n2y7/5-11-rush-72-2-0-backpack-55l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  REI Co-op Flash Pack 22 vs. 5.11 Rush 72 2.0 Backpack 55L

# REI Co-op Flash Pack 22 vs. 5.11 Rush 72 2.0 Backpack 55L

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

## [REI Co-op Flash Pack 22](https://onebag.travel/carryon/3m1t3p4dt2/rei-co-op-flash-pack-22/)

by [REI Co-op](https://onebag.travel/carryons/?brands=REI Co-op)

![Front facing view of the REI Co-op Flash Pack 22](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601122690/carryons/reiflash_qzkyi0.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>22 L</td></tr><tr><td>Weight</td><td>0.4 kg</td></tr><tr><td>Dimensions</td><td>48×28×20 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$60</td></tr></tbody></table>

## Feature by feature

| REI Co-op Flash Pack 22 | Feature | 5.11 Rush 72 2.0 Backpack 55L |
| --- | --- | --- |
| Storage |
| N | Compression | 4 |
| None | Expanded Capacity | None |
| 3 | Opening | 1 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 15in |
| 3 | Main Compartments | 6 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| N | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Recycled nylon (bluesign®;-approved)</td><td>1050D nylon (MultiCam® 1000D nylon)</td></tr></tbody></table>

## [5.11 Rush 72 2.0 Backpack 55L](https://onebag.travel/carryon/njz1o3n2y7/5-11-rush-72-2-0-backpack-55l/)

by [5.11](https://onebag.travel/carryons/?brands=5.11)

![Front facing view of the 5.11 Rush 72 2.0 Backpack 55L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990467/carryons/5-11-rush-72-2-0-backpack-55l-njz1o3n2y7.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>55 L</td></tr><tr><td>Weight</td><td>2.4 kg</td></tr><tr><td>Dimensions</td><td>58×34×22 cm</td></tr><tr><td>Airline fit</td><td>16%</td></tr><tr><td>Price</td><td>$190</td></tr></tbody></table>

## Key differences between the REI Co-op Flash Pack 22 and 5.11 Rush 72 2.0 Backpack 55L

-   **Compression straps:** No on the REI Co-op Flash Pack 22; 4 on the 5.11 Rush 72 2.0 Backpack 55L.
-   **Opening:** Top flap on the REI Co-op Flash Pack 22; Clamshell on the 5.11 Rush 72 2.0 Backpack 55L.
-   **Main compartments:** 3 on the REI Co-op Flash Pack 22; 6 on the 5.11 Rush 72 2.0 Backpack 55L.
-   **Water resistant:** No on the REI Co-op Flash Pack 22; Yes on the 5.11 Rush 72 2.0 Backpack 55L.

Both have: passport pocket, backpack straps, hip belt, sternum strap, laptop sleeve, water bottle pockets.

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

We checked both bags against the carry-on size limits of 189 airlines. 31 accept both. 145 accept only the REI Co-op Flash Pack 22, and 0 accept only the 5.11 Rush 72 2.0 Backpack 55L.

### Only the REI Co-op Flash Pack 22 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 Niugini, 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, Belavia, 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, Croatia Air, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, 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 , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, 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), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, WOW Airlines, Xiamen.

## REI Co-op Flash Pack 22 vs. 5.11 Rush 72 2.0 Backpack 55L: which should you pack?

The **5.11 Rush 72 2.0 Backpack 55L** carries 33L more than the **REI Co-op Flash Pack 22** (22L vs. 55L), while the **REI Co-op Flash Pack 22** is the lighter pack at 0.4kg (vs. 2.4kg). For carry-on flexibility, the **REI Co-op Flash Pack 22** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the 5.11 Rush 72 2.0 Backpack 55L; if you want to travel lighter, the REI Co-op Flash Pack 22 is the better call.