Oura Ring 4 Black San Francisco Giants at its core

at its core

Tongue construction with additional padding gives you a secure feel and comfort in key strike zones

durable TPU

They have a stretchy waistband with a drawcord to help them get a customized fit

Oura Ring 4 Black San Francisco Giants at its coreNew Smart Sensing technology provides enhanced accuracy, deeper personalization, and longer battery life. Sleek, fully titanium design and discreet sensors provide 24 7 comfort. With 5 8 days** of battery life per charge, never miss a beat when it comes to tracking your health. Oura Membership grows with you Track over 50 health and wellness metrics, and get personalized insights into your sleep, activity, stress, metabolic, heart health, and womens