For those looking to the upgrade from a Gen 3 ring. I've seen some mentions that Gen 3 users might need to downsize for a Gen 4 because of less prominent sensor

For those looking to the upgrade from a Gen 3 ring. I've seen some mentions that Gen 3 users might need to downsize for a Gen 4 because of less prominent sensors [1]. [1] https://www.reddit.com/r/ouraring/comments/1fvytqg/sizing_ki https://www.reddit.com/r/ouraring/comments/1fvytqg/sizing_ki...