COMPATIBLE FITEngineered specifically for Google Fitbit Air, providing a snug and accurate fit for your device. STRETCHY & COMFORTABLECrafted from braided nylon with elastic construction, this band moves with your wrist for all-day ease during any activity. LIGHTWEIGHT COMFORTFeatherlight material lessens wrist strain for extended wear. SPORT-READY DESIGNAiry braided nylon fabric draws moisture away, making it perfect for jogging, gym workouts, and outdoor pursuits. ADJUSTABLE FITSimply modify the band length to get the ideal fit for various wrist sizes