Compatible with WHOOP 5.0 One and Peak models for seamless integrationMade from lightweight, breathable performance-knit fabric for all-day comfortSoft, irritation-free material that keeps skin cool during workouts and extended wearFully adjustable design ensures a secure, personalized fit for any wrist sizeFast Link system allows quick and easy swapping of bands without toolsSleek ash grey color offers a modern, versatile look suitable for any style or occasion