Quick-Drying: Our wristband is designed with advanced quick-drying materials that effectively wick away moisture, ensuring you stay dry and comfortable throughout your workout. Waterproof: Crafted to be fully waterproof, this wristband safeguards your Whoop 4.0 sensor from water damage, making it perfect for swimming, showering, or any other wet activities. Ultimate Comfort: Featuring a soft, ergonomic design, our wristband adapts seamlessly to your wrist, providing all-day wearability without discomfort, even during extended exercise sessions. Seamless Compatibility with Whoop 4.0 Sensor: Engineered specifically for Whoop 4.0, our wristband offers flawless integration, ensuring your sensor functions optimally without interference. Excellent Sweat Management: Ideal for high-sweat workouts, our wristband's superior sweat-wicking capabilities keep your skin dry and fresh, enhancing your overall comfort and performance during intense exercise. The Hydroknit replacement wristband for Whoop 4.0, engineered for top-tier performance. Crafted from waterproof, quick-drying materials, it ensures your device stays safe and dry, no matter the activity. The wristband's ergonomic design and breathable fabric provide unmatched comfort, while its advanced sweat-wicking properties keep your skin fresh during even the most intense workouts.