The Apple sport band is designed for active lifestyles, providing a comfortable fit for smart watches. This watch band is crafted from fluoroelastomer, ensuring durability and flexibility, perfect for everyday wear or intense workouts. It is suitable for wrists measuring 130-180 mm and is compatible with 38 mm, 40 mm, and 41 mm smart watch cases. The pin-and-tuck closure provides a secure fit, allowing users to focus on their activities without worrying about accessories.