---
url: "https://onebag.travel/compare/571tduqeup/gregory-nano-28l/cfo1f254gp/rei-co-op-trail-pack-25/"
title: "Gregory Nano 28L vs REI Co-op Trail Pack 25 - One Bag Travel"
description: "Gregory Nano 28L vs REI Co-op Trail Pack 25: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/571tduqeup/gregory-nano-28l/cfo1f254gp/rei-co-op-trail-pack-25/"
---
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3.  Gregory Nano 28L vs. REI Co-op Trail Pack 25

# Gregory Nano 28L vs. REI Co-op Trail Pack 25

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

## [Gregory Nano 28L](https://onebag.travel/carryon/571tduqeup/gregory-nano-28l/)

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

![Front facing view of the Gregory Nano 28L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990371/carryons/gregory-nano-28l-571tduqeup.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>0.6 kg</td></tr><tr><td>Dimensions</td><td>54×31×23 cm</td></tr><tr><td>Airline fit</td><td>69%</td></tr><tr><td>Price</td><td>$101</td></tr></tbody></table>

## Feature by feature

| Gregory Nano 28L | Feature | REI Co-op Trail Pack 25 |
| --- | --- | --- |
| Storage |
| 2 | Compression | 2 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| front | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 3 | Main Compartments | 3 |
| 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>210D High Density 40% Recycled Nylon / 450D 100% recycled Polyester with C0 DWR</td><td>210-denier ripstop nylon</td></tr></tbody></table>

## [REI Co-op Trail Pack 25](https://onebag.travel/carryon/cfo1f254gp/rei-co-op-trail-pack-25/)

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

![Front facing view of the REI Co-op Trail Pack 25](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601602563/carryons/reicoop_o83w5i.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>0.8 kg</td></tr><tr><td>Dimensions</td><td>46×33×20 cm</td></tr><tr><td>Airline fit</td><td>94%</td></tr><tr><td>Price</td><td>$100</td></tr></tbody></table>

## Key differences between the Gregory Nano 28L and REI Co-op Trail Pack 25

-   **Passport pocket:** Front on the Gregory Nano 28L; Top on the REI Co-op Trail Pack 25.
-   **Rain cover:** No on the Gregory Nano 28L; Yes on the REI Co-op Trail Pack 25.

Both have: compression straps, 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. 131 accept both. 0 accept only the Gregory Nano 28L, and 46 accept only the REI Co-op Trail Pack 25.

### Only the REI Co-op Trail Pack 25 fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, WestJet, Xiamen.

## Gregory Nano 28L vs. REI Co-op Trail Pack 25: which should you pack?

The **Gregory Nano 28L** carries 3L more than the **REI Co-op Trail Pack 25** (28L vs. 25L), while the **Gregory Nano 28L** is the lighter pack at 0.6kg (vs. 0.8kg). For carry-on flexibility, the **REI Co-op Trail Pack 25** fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Gregory Nano 28L; if you want to travel lighter, the Gregory Nano 28L is the better call.