Reassuring comfort for everyday wear Whether you are hitting the gym or going for a run, the Sport Band fits snugly on your wrist to maximize your workout. Made with sweat-resistant fluoroelastomer material, the band adjusts to your wrist securely, ensuring a comfortable fit thanks to the added air pocket. Change the look with just one click Switch out your watch band in a snap. The new design features a simple button that lets you effortlessly attach and detach the band in one click. It's that simple to customize your watch to match your unique taste. It's compatible with both Watch6 and Watch6 Classic.