Oura Ring Gen3 Heritage - Silver - Size 13 - Smart Ring - Size First With Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness

Oura Ring 4 - Gold - Size 7 - Sleep, Activity, Womens Health, AI Advisor, Up To 8 Days Of Battery Life, Size Before You Buy, Android & Ios Compatible

Oura Ring 4 - Silver - Size 10 - Sleep, Activity, Womens Health, AI Advisor, Up To 8 Days Of Battery Life, Size Before You Buy, Android & Ios

Oura Ring 5 - Gold - Smart Ring - Size 12