Last Chance 48-Hour Flash SaleEnds Dec. 24. Limited quantities.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Front. Oura - Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - White.
  • Size Before You Buy: 1. Purchase the Oura Ring Sizing Kit. 2. Purchase your Oura Ring after learning your size. 3. First month of Oura Membership is free, then it's $5.99 per month. 4. Receive a $10 Best Buy gift card to use towards your Oura Ring with purchase of sizing kit.
  • Oura Ring Sizing Tips: 1. Try on multiple sizes. 2. Wear for 24 hours. 3. Find your most comfortable fit. For best performance and accuracy, we recommend using your index finger.
  • Receive a $10 Best Buy gift card to use towards your Oura Ring with purchase of sizing kit.
  • How to find your Oura ring size with the sizing kit video 1 minutes 21 seconds

Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - White - (2021)

Model:
JZ98-52744
SKU:
6561895
Highly rated by customers for:
Your price for this item is $5.49
Clearance
The comparable value price is $10.00

Customer reviews

Rating 4.8 out of 5 stars with 376 reviews

Rating Filter

Rating by feature

  • Battery Life

    Rating 4.4 out of 5 stars

  • Durability

    Rating 4.7 out of 5 stars

  • Comfort

    Rating 4.6 out of 5 stars

Pros mentioned filter

Cons mentioned filter

94%would recommend to a friend

Customers are saying

Customers are impressed with the Oura Ring Gen3 Sizing Kit's accuracy in determining ring size, with many reporting that the recommended size fit perfectly. They also appreciate the ease of use, describing the sizing process as simple and straightforward. Additionally, customers value the $10 gift card that comes with the kit, considering it a great incentive and essentially making the kit free. On the downside, a few customers found the plastic sizers uncomfortable to wear, especially when gripping objects.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 8 Showing 141-160 of 376 reviews
  • Pros mentioned:
    Accurate sizing

    Good kit, works as needed!

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works perfectly as needed to get the right size. Per manufacturer, size up if you hit a 1/2 size.

    I would recommend this to a friend

  • Sizing kit

    |
    |
    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I definitely recommend getting the sizing kit before purchasing! The oura fits differently than other rings.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend
  • Pros mentioned:
    Accurate sizing

    Helpful

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worked purposefully to figure out my perfect size, definitely recommend.

    I would recommend this to a friend
  • Cons mentioned:
    Price

    Not really necessary

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The kit worked well, however for the price of the ring one shouldn’t have to purchase a sizer.

    I would recommend this to a friend
  • Pros mentioned:
    Easy to use

    Highly Recommend

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product! Helped me decide which size to get. Definitely recommend buying before purchasing Oura ring.

    I would recommend this to a friend
  • Pros mentioned:
    Easy to use

    EZ to use

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Really easy to use compared to the ring size guide they have in the store

    I would recommend this to a friend

  • Awesome

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    RIng Sizer, works great! It even came with a free $10 gift card Great Value

    I would recommend this to a friend

  • OURA SIZE KIT

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    i RECIVED VERY QUICKLY AND OPEN TO TRY AND AFTER I WEAR A COUPLE OF THEM,AND DECIDE WHICH FINGER, I WILL BE ORDERING WITH CONFIDENT.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend
  • Pros mentioned:
    Accurate sizing

    Oura!

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Just like I thought it would be! Worked great I love it! Helped me get my right size!

    I would recommend this to a friend
  • Cons mentioned:
    Comfort

    Ouch!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I purchased the sizing kit. I felt the ring was uncomfortable.

    No, I would not recommend this to a friend
  • Pros mentioned:
    Accurate sizing

    sizing kit a must

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    great sizing kit. highly recommended for anyone interested in the Oura ring for health.

    I would recommend this to a friend

  • Oura Ring Sizing Kit Review

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Essential for purchasing an Oura Ring to get the right fit and feel. Highly recommended before getting an Oura.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend

  • Easy peasy

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Super easy to use and dummy proof. Got it super quick and used it on my husband and myself.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend

  • Great ring sizer

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product. I was able to find my correct ring size before ordering my Oura ring and it fits perfect.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend
  • Pros mentioned:
    Easy to use

    Great purchase

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very easy to find the right size. Wore it until the real thing came so that I was ready.

    I would recommend this to a friend

  • Definitely helps!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I like the size options! It really matches the actual product ans gives you a good idea of which size to order.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend

  • Good idea

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent way to know which is the appropriate size and which one I feel comfortable with.

    I would recommend this to a friend

  • Good size help

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Helps know what size to buy... Good to hear suspected size for extended time to be sure.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend
  • Pros mentioned:
    Accurate sizing

    Worth it

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worth the price to make sure the size fits prior to committing to the ring

    I would recommend this to a friend

  • Thus is a must have!

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This Oura ring fitted kit is very helpful in selecting the correct ring size and ensuring a perfect fit.

    This review is from Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Black - (2021)

    I would recommend this to a friend
Page 8, Showing 141-160 of 376 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.