---
product_id: 706493261
title: "Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase"
brand: "oura"
price: "A$52"
currency: AUD
in_stock: true
reviews_count: 5
category: "Oura"
url: https://www.desertcart.com.au/products/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-oura
store_origin: AU
region: Australia
---

# 24-hour wear test for perfect fit Custom Gen3 sizing, no guesswork Credit towards Oura Ring Gen3 purchase Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase

**Brand:** oura
**Price:** A$52
**Availability:** ✅ In Stock

## Summary

> 📏 Nail your perfect fit before you commit!

## Quick Answers

- **What is this?** Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase by oura
- **How much does it cost?** A$52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-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

- • **Smart Investment:** Purchase the sizing kit and get credit towards your Oura Ring Gen3—size now, save later.
- • **Test It Like a Pro:** Wear the sizer for 24 hours to guarantee comfort and stability during your busiest days.
- • **Data Accuracy Starts Here:** A perfect fit maximizes sensor accuracy for your health insights and daily tracking.
- • **Precision Fit, No Surprises:** Custom sizing exclusive to Oura Ring Gen3 ensures your ring fits perfectly—no standard sizes here.
- • **Fits Every Finger, Every Style:** Designed to size any finger on either hand, with a recommendation for the index finger for optimal results.

## Overview

The Oura Ring Gen3 Sizing Kit is a specialized tool designed exclusively for sizing the Oura Ring Gen3, which uses unique sizing different from standard rings. By wearing the sizer for at least 24 hours, users can ensure a secure, comfortable fit that enhances sensor accuracy. The kit supports sizing for all fingers and includes a credit towards the purchase of the actual ring, making it a smart, risk-free step before investing in the Oura Ring Gen3.

## Description

The Oura Ring Gen3 Sizing Kit allows for you and those around you to find the ideal fit before purchasing. With an Oura Ring Gen3 sizing kit purchase, receive 10 desertcart credit towards the future purchase of an Oura Ring Gen3 (terms and conditions apply). A properly fitting Oura Ring Gen3 will result in the highest possible data accuracy, comfort, and overall experience. Oura Ring Gen3 sizes are different from standard ring sizes, so it is important to size yourself using our tools and to follow our sizing instructions. Oura Ring Gen3 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring Gen3 on your index finger.

Review: Compré el kit aunque aún no compro el anillo porque vi que tal vez pronto sale el GEN 4
Review: It's a ring sizing kit so it's exactly what you expect it would be.....

## Features

- OURA RING GEN3 SIZING KIT - The Oura Ring Gen3 Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the ideal fit before purchasing
- SIZE BEFORE YOU BUY – Size with Gen3 Sizing Kit prior to purchasing Oura Ring Gen3 (different sizing from Oura Ring 4). For additional details, see “From the brand” section below.
- NOT STANDARD SIZING — Oura Ring Gen3 Sizing Kit only works to size for Oura Ring Gen3. Gen3 sizes are different from standard ring sizes. Oura Ring Gen3 is available in sizes 6-13. There are no half sizes.
- HOW IT SHOULD FIT - We recommend wearing your ring sizer for at least 24 hours to confirm your best fit. Oura Ring Gen3 should fit securely and comfortably at the base of your finger. Your ring should not rotate as you go about normal daily tasks.
- COMFORT AND ACCURACY — A properly fitting Oura Ring Gen3 will result in the highest data accuracy, comfort, and overall experience
- CHOOSE A FINGER — Oura Ring Gen3 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring Gen3 on your index finger. Size the exact finger you plan to wear your Oura Ring Gen3 on

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CYWC18G8 |
| Colour | White |
| Country of Origin | USA |
| Customer Reviews | 4.3 4.3 out of 5 stars (951) |
| Date First Available | 7 June 2024 |
| Item Weight | 100 g |
| Item model number | JZ98-54794 |
| Manufacturer | Oura |
| Other display features | Wireless |
| Package Dimensions | 14.71 x 14.3 x 2.59 cm; 100 g |
| Whats in the box | Oura Ring Sizing Kit |

## Images

![Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 1](https://m.media-amazon.com/images/I/51Y+zFD6T0L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by M***O on 9 September 2024*

Compré el kit aunque aún no compro el anillo porque vi que tal vez pronto sale el GEN 4

### ⭐⭐⭐⭐⭐ Review
*by S***N on 17 October 2024*

It's a ring sizing kit so it's exactly what you expect it would be.....

### ⭐⭐⭐⭐⭐ Review
*by K***様 on 11 July 2025*

OURAリングを中古で購入することを検討していたため購入。新品だが、箱の状態がよくないものが多少安くなっていたので選んだ。 これがなくては指の太さがわからないため適切なサイズで注文するのは難しい。 中古などの最安値で購入して確認すればよいと思う。 長期間着用するようなものでもないのでおそらくほぼ汚れていない。 現在(令和7年7月)の4世代とは規格が違うし、そちらは一応公式サイトで無料でのサイジングキットが謳われているので新品で買うならそちらを見るべきだと思う。

## Frequently Bought Together

- Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing - Receive Credit for Purchase
- Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - 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.com.au/products/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-oura](https://www.desertcart.com.au/products/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-oura)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-04*