---
url: "https://onebag.travel/compare/582qou1tq7/osprey-arcane-small-day/d9l18s4za7/cotopaxi-tasra-16l/"
title: "Osprey Arcane Small Day vs Cotopaxi Tasra 16L"
description: "Osprey Arcane Small Day vs Cotopaxi Tasra 16L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/582qou1tq7/osprey-arcane-small-day/d9l18s4za7/cotopaxi-tasra-16l/"
---
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3.  Osprey Arcane Small Day vs. Cotopaxi Tasra 16L

# Osprey Arcane Small Day vs. Cotopaxi Tasra 16L

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

## [Osprey Arcane Small Day](https://onebag.travel/carryon/582qou1tq7/osprey-arcane-small-day/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>12 L</td></tr><tr><td>Weight</td><td>0.5 kg</td></tr><tr><td>Dimensions</td><td>39×27×17 cm</td></tr><tr><td>Airline fit</td><td>99%</td></tr><tr><td>Price</td><td>$100</td></tr></tbody></table>

## Feature by feature

| Osprey Arcane Small Day | Feature | Cotopaxi Tasra 16L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| front | Passport | front |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside |
| 14in | Laptop | 13in |
| 2 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2, side |
| N | Water Resistant | N |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>bluesign® APPROVED, 100% recycled 480D polyester, DWR treatment made without PFAS</td><td>100% recycled polyester</td></tr></tbody></table>

## [Cotopaxi Tasra 16L](https://onebag.travel/carryon/d9l18s4za7/cotopaxi-tasra-16l/)

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

![Front facing view of the Cotopaxi Tasra 16L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990350/carryons/cotopaxi-tasra-16l-d9l18s4za7.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>16 L</td></tr><tr><td>Weight</td><td>0.5 kg</td></tr><tr><td>Dimensions</td><td>43×27×14 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$85</td></tr></tbody></table>

## Key differences between the Osprey Arcane Small Day and Cotopaxi Tasra 16L

-   **Opening:** Clamshell on the Osprey Arcane Small Day; Other on the Cotopaxi Tasra 16L.
-   **Laptop sleeve:** 14in on the Osprey Arcane Small Day; 13in on the Cotopaxi Tasra 16L.
-   **Main compartments:** 2 on the Osprey Arcane Small Day; 3 on the Cotopaxi Tasra 16L.
-   **Water bottle pockets:** No on the Osprey Arcane Small Day; 2, side on the Cotopaxi Tasra 16L.

Both have: passport pocket, backpack straps, built-in organizer.

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

We checked both bags against the carry-on size limits of 189 airlines. 181 accept both. 6 accept only the Osprey Arcane Small Day, and 0 accept only the Cotopaxi Tasra 16L.

### Only the Osprey Arcane Small Day fits

LC Perú, Lion Air Group, Spring Airlines, VivaColombia, Volaris, Wizz Air.

## Osprey Arcane Small Day vs. Cotopaxi Tasra 16L: which should you pack?

The **Cotopaxi Tasra 16L** carries 4L more than the **Osprey Arcane Small Day** (12L vs. 16L), while the **Osprey Arcane Small Day** is the lighter pack at 0.5kg (vs. 0.5kg). For carry-on flexibility, the **Osprey Arcane Small Day** fits 99% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Tasra 16L; if you want to travel lighter, the Osprey Arcane Small Day is the better call.