• 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
  • 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
  • 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
  • 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
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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

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

£12.68 GBP
£12.68 GBP £0.00 GBP
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  • OURA RING SIZING KIT - The Oura Ring Sizing Kit is the ideal way to find the perfect ring size. It’s a custom sizer for finding the ideal fit for every Oura Ring wearer before purchasing.
  • RECEIVE CREDIT OF GBP 10 - With a sizing kit purchase, you will receive an Amazon credit of GBP 10 towards the purchase of an Oura Ring. The sizing kit is not returnable (terms and conditions apply)
  • NOT STANDARD SIZING - Oura Ring sizes are different from standard ring sizes, so it is important to size your finger using our sizing kit and to follow the instructions provided. The Oura Ring is available in sizes 6 to 13 (there are no half sizes)
  • HOW IT SHOULD FIT - We recommend wearing the ring sizer for at least 24 hours to confirm your best fit. The Oura Ring should fit securely and comfortably at the base of your finger, and should not rotate as you go about normal daily tasks
  • COMFORT AND ACCURACY - A properly fitting Oura Ring provides the best possible data accuracy, comfort and overall experience

From the manufacturer

Find the right fit

Oura Ring sizes are different from standard sizes. The Oura Ring Gen3 Sizing Kit is the best way to ensure a comfortable and accurate experience. With a purchase of the sizing kit, you'll receive a £10 credit towards your Oura Ring.

Size Before You Buy

Step 1:

Purchase an Oura Ring Gen3 Sizing Kit and receive a £10 credit towards your Oura Ring.

Step 2:

Purchase your Oura Ring Gen3, the £10 credit will be automatically applied at checkout.

Step 3:

Slip on your Oura Ring and download the Oura App.

Step 4:

New members get the first month of Oura Membership free, then it’s £5.99 per month.

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

  1. Size before you buy

    The Oura Ring Gen3 Sizing Kit is the best way to ensure an accurate experience. With a purchase of the sizing kit, you'll receive a £10 credit towards your Oura Ring.

  2. Easy to wear, everywhere

    Sleek and comfortable, Oura Ring seamlessly fits into your life from a workout to a night out.

  3. No interruptions

    Stay present without notifications on your wrist. Check the Oura App when you want to.

  4. Built to last

    Oura Ring is made of titanium: one of the strongest metals on earth. Durable, lightweight, water resistant.

  5. Accurate by design

    Your finger provides the most accurate reading for over 20 biometrics such as heart rate, temperature trends and blood oxygen.

A really smart gift.

The Oura Ring Gen3 Sizing Kit makes the perfect gift for your loved ones who want an Oura Ring but you may not know their Oura Ring size.

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