Designed to give your Apple Watch a modern and sleek athletic look for intense workouts and everyday wear. Sport Band has a lightweight and breathable design which is constructed from a soft, flexible FKM rubber for all-day comfort. A low-profile pin-and-tuck mechanism ensures a secure closure. • FKM fluoroelastomer rubber • 100% waterproof • Interior ventilation channels • Custom aluminum closure pin • Designed for Apple Watch Series 7, 6, SE, and all previous versions of Apple Watch