Official Fitbit accessory designed and tested to work with Fitbit devices A sporty, stylish look that keeps you comfortable all day whether you're at the gym, in the pool or on the go Designed with large perforations that enable ultimate breathability and comfort Aluminum double buckle matches the band so it works with any Charge 3 tracker and offers added security in any occasion Water resistant band is ready for rain, sweat and swims Tracker sold separately