BFGoodrich is expanding its All-Terrain T/A KO3 lineup with 18 additional sizes as part of Phase 5 of the tire’s multi-year ...

You can find the approximate internal dimensions of each Ring 3 size below. The above table should be used as a guide, and we don’t recommend using the dimension chart to pick an Oura Ring size.

As of May 2 at 12:16:54 PM EDT. Market Open.

As of May 2 at 9:57:23 AM EDT. Market Open.

As of 7 May at 1:58:02 pm GMT-4. Market open.

As of May 5 at 1:35:46 p.m. EDT. Market Open.

As of 2 May at 15:46:11 GMT-4. Market open.

As of 5 May at 1:40:10 pm GMT-4. Market open.

As of 7 May at 13:01:28 GMT-4. Market open.

As of 2 May at 9:57:23 am GMT-4. Market open.