Find the perfect fit for your Ultrahuman Smart Ring. The sizing kit contains sample rings in sizes 5-14 as well as colour samples of all available variants to try on. After choosing your desired size, ord Available sizes:You can choose from a wide range of sizes from 5 to 14.Try out the size ring:For an accurate assessment, wear the ring with the engraved size number facing the palm of your hand.IMPORTANT: Wear the ring for at least 24 hours so that you know whether it fits you.Find the right finger:For optimal comfort and extended sleep monitoring, we recommend wearing the Ultrahuman Ring AIR on your index, middle or ring finger.Check the fit:There are a few simple ways to check this: When you twist the ring on your finger, it should not twist freely.Available ring coloursSamples of all available ring colours are visibly included in the sizing kit packageOrdering the final ringThen order the ring free of charge on Ultrahuman.com using the voucher code provided in the packaging. The ring will then be sent to you free of charge after you have placed your order at Ultrahuman.com/ring/claim.CLAIM WEBSITE: www.ultrahuman.com/ring/claimThis kit is valid for the ring colours:- Matte Grey- Aster Black- Bionic Gold- Space Silver- Raw Titanium