Oura Ring 4 Brushed Silver Size:8 The midsole implements a full-length

The midsole implements a full-length FF BLAST™ PLUS cushioning unit and PureGEL™ technology

AOP warning: Product with all-over-printed graphics might not exactly match the images

Soft knit fabric is lightweight and breathable

The heavy-weight

There are also two inner slip-in pockets to keep your keys and cards tucked away

Oura Ring 4 Brushed Silver Size:8 The midsole implements a full-lengthNew 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