Oura - Ring 4 Sizing Kit - Size Before You Buy The OR4 - Unique Sizing - Receive Credit For Purchase - White - (2024)

Oura Ring Gen3 Horizon - Black - Size 13 - Smart Ring - Size First With Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life

Oura Ring 4 - Silver - Size 4 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up To 8 Days Of Battery Life

Oura Ring Gen3 Heritage - Silver - Size 13 - Smart Ring - Size First With Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life

Oura Ring 4 - Black - Size 12 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up To 8 Days Of Battery Life