The WHOOP Sportflex Band for the 5.0 Peak is a 5-star accessory designed for athletes who want maximum comfort, stability, and durability during intense training. Its flexible, breathable fabric adapts perfectly to the wrist, reducing sweat buildup and preventing irritation even during long workouts or all-day wear. The band provides a secure, locked-in fit that keeps the sensor in the ideal position for the most accurate HRV, strain, and recovery readings—an essential detail for users who rely on precise biometric data. Its quick-adjust design makes it easy to tighten or loosen without removing the strap, and the premium build quality ensures it stays clean, strong, and comfortable no matter the activity. Whether you’re lifting, running, swimming, or wearing it 24/7, the Sportflex Band enhances the WHOOP experience by combining performance, comfort, and reliability at the highest level.

soft smooth band. my son loved having this one to it doesn't stay wet with sweat.