---
product_id: 745263890
title: "Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase"
price: "COP 134909"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/745263890-ring-4-sizing-kit-size-before-you-buy-unique-sizing
store_origin: CO
region: Colombia
---

# Precision sizing for perfect fit Ultra-lightweight at 0.55g Made in USA quality assurance Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase

**Price:** COP 134909
**Availability:** ✅ In Stock

## Summary

> 📏 Nail your fit, own your wellness journey.

## Quick Answers

- **What is this?** Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase
- **How much does it cost?** COP 134909 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/745263890-ring-4-sizing-kit-size-before-you-buy-unique-sizing)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Setup:** Try before you buy and sync effortlessly with the Oura App.
- • **Risk-Free Sizing:** Unique sizing kit lets you find your ideal ring size before committing.
- • **Light as a Feather:** At just 0.55g, experience all-day comfort without the bulk.
- • **Perfect Fit, Perfect Data:** Ensure your Oura Ring 4 delivers peak accuracy with a custom fit.
- • **Trusted Quality & Warranty:** Backed by a 2-year limited manufacturer warranty for peace of mind.

## Overview

The Oura Ring 4 Sizing Kit offers a precision sizing experience to guarantee optimal comfort and data accuracy for your smart ring. Lightweight and made in the USA, this kit ensures you select the perfect size before purchase, supported by a 2-year warranty and seamless integration with the Oura App.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DWFSW47F |
| Best Sellers Rank | #108,135 in Electronics ( See Top 100 in Electronics ) #39 in Rings |
| Colour | White |
| Country of Origin | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (848) |
| Date First Available | 1 March 2025 |
| GPS | No GPS |
| Item Dimensions LxWxH | 14 x 14 x 2.5 Centimeters |
| Item Weight | 0.55 g |
| Item model number | JZ98-54867 |
| Manufacturer | Oura |
| Other display features | Wireless |
| Product Dimensions | 14 x 14 x 2.5 cm; 0.55 g |
| Whats in the box | Oura Ring 4 Sizing Kit |

## Images

![Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase - Image 1](https://m.media-amazon.com/images/I/61RUDe87DIL.jpg)
![Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase - Image 2](https://m.media-amazon.com/images/I/61mBfK-CtqL.jpg)
![Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase - Image 3](https://m.media-amazon.com/images/I/719ICRsZ0CL.jpg)
![Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase - Image 4](https://m.media-amazon.com/images/I/71Ucf+ZMj3L.jpg)
![Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase - Image 5](https://m.media-amazon.com/images/I/71YE5pr5bJL.jpg)

## 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 for Heritage and Horizon Rings-Measure Sizes 6-13 for Fit Before Purchasing, Sizes are Unique to Oura

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**Shop now:** [https://www.desertcart.co/products/745263890-ring-4-sizing-kit-size-before-you-buy-unique-sizing](https://www.desertcart.co/products/745263890-ring-4-sizing-kit-size-before-you-buy-unique-sizing)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-05-28*