---
product_id: 723531832
title: "Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase"
brand: "oura"
price: "269 kr"
currency: DKK
in_stock: false
reviews_count: 6
category: "Oura"
url: https://www.desertcart.dk/products/723531832-oura-ring-4-sizing-kit-size-before-you-buy-oura
store_origin: DK
region: Denmark
---

# Sleep Quality Insights Heart Rate Monitor precision Advanced Activity Tracking Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase

**Brand:** oura
**Price:** 269 kr
**Availability:** ❌ Out of Stock

## Summary

> 💍 Size smart, track smarter — your wellness journey starts with the perfect fit!

## Quick Answers

- **What is this?** Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase by oura
- **How much does it cost?** 269 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/723531832-oura-ring-4-sizing-kit-size-before-you-buy-oura)

## Best For

- oura enthusiasts

## Why This Product

- Trusted oura brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Wear It Your Way:** Fits any finger on either hand for personalized comfort and optimal sensor performance.
- • **Trusted by Thousands:** 4.6-star rating from over 2,300 users proves this kit is the essential first step to your wellness journey.
- • **Seamless Credit Bonus:** Get $10 credit applied automatically toward your Oura Ring 4 purchase—smart savings included.
- • **Try Before You Commit:** Sizing kit lets you find your ideal ring size with zero guesswork and full confidence.
- • **Perfect Fit, Perfect Data:** Unique sizing ensures your Oura Ring 4 delivers unmatched accuracy and comfort.

## Overview

The Oura Ring 4 Sizing Kit is a precision tool designed to help you find the exact fit for the Oura Ring 4, which features heart rate monitoring, activity tracking, and sleep analysis. Unique sizing differs from standard US ring sizes, making this kit essential for optimal comfort and data accuracy. Purchase includes a $10 credit toward your Oura Ring 4, ensuring a seamless transition from sizing to owning the ultimate wellness ring.

## Description

The Oura Ring 4 Sizing Kit allows for you and those around you to find the ideal fit before purchasing. With a sizing kit purchase, a 10 credit will automatically be applied to your Oura Ring 4 at checkout. A properly fitting Oura Ring 4 will result in the highest possible data accuracy, comfort, and overall experience. Oura Ring 4 sizes are slightly different from standard ring sizes, so it is important to size yourself using our tools and to follow our sizing instructions. Oura Ring 4 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring 4 on your index, middle, or ring finger.

Review: Very Quick delivery - Very quick delivery and the product is perfect as expected. Very affordable and useful
Review: 後で判明したがアマゾンとその他で1000円近く値段が違う。類似の商品にも出て来なかった。 ２４時間装着とあったので着けて寝たら、かぶれでしまった。本商品とは素材が違うが、高いので怖くて買えない

## Features

- Heart Rate Monitor, Activity Tracker, Sleep Monitor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9WVWXR1 |
| Colour | White |
| Country of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,394) |
| Date First Available | 15 October 2024 |
| Item Weight | 50 g |
| Item model number | JZ98-54870 |
| Manufacturer | Oura |
| Other display features | Wireless |
| Package Dimensions | 16.7 x 11.3 x 1.2 cm; 50 g |
| Special features | Heart Rate Monitor, Activity Tracker, Sleep Monitor |
| Whats in the box | Oura Ring 4 Sizing Kit |

## Product Details

- **Brand:** OURA
- **Colour:** White
- **Included Components:** Oura Ring 4 Sizing Kit
- **Manufacturer:** Oura

## Images

![Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 1](https://m.media-amazon.com/images/I/31KesvMYMuL.jpg)
![Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 2](https://m.media-amazon.com/images/I/41-mOQ2GwBL.jpg)
![Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 3](https://m.media-amazon.com/images/I/416UVBKEzTL.jpg)
![Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 4](https://m.media-amazon.com/images/I/41hdX3lyA2L.jpg)
![Oura Ring 4 Sizing Kit - Size Before You Buy The Oura Ring 4 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 5](https://m.media-amazon.com/images/I/518Qh+G3I5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very Quick delivery
*by K***L on 25 July 2025*

Very quick delivery and the product is perfect as expected. Very affordable and useful

### ⭐⭐ Review
*by A***ー on 9 September 2025*

後で判明したがアマゾンとその他で1000円近く値段が違う。類似の商品にも出て来なかった。 ２４時間装着とあったので着けて寝たら、かぶれでしまった。本商品とは素材が違うが、高いので怖くて買えない

### ⭐ Review
*by F***G on 1 March 2025*

Great sizing tool. However, Amazon SG doesnt allow the actual Oura Ring to be delivered. The status has been “Ordered Received…”

## Frequently Bought Together

- Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase
- Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing - Receive Credit for Purchase
- RingConn Gen 2 Air Sizing Kit - Size First Before You Buy - Choose from 9 Sizes - Sizes 6 to 14 - Only Smart Ring

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**Shop now:** [https://www.desertcart.dk/products/723531832-oura-ring-4-sizing-kit-size-before-you-buy-oura](https://www.desertcart.dk/products/723531832-oura-ring-4-sizing-kit-size-before-you-buy-oura)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-04*