The WHOOP 4.0 is a revolutionary wearable fitness device that provides continuous monitoring of physiological data, including heart rate, respiratory rate, resting heart rate, heart rate variability, skin temperature, blood oxygen levels, daily activity and sleep.

With personalized insights and clear next steps, users can better understand their overall health and wellness status and track their progress over time.

The WHOOP SuperKnit Accessory Band 4.0 is easy to install and remove with Fast Link technology, making it a convenient accessory for those who want to switch between different styles.

Premium SuperKnit bands are engineered with ultra-soft backing and microfilament yarn for enhanced comfort and durability.

The WHOOP 4.0 + SuperKnit Band is the perfect tool for anyone looking to take their fitness journey to the next level, providing a comprehensive understanding of their body's physiological data and personalized insights to help them reach their goals.