Fitbit charge 3 accessory sports band, change is good. The Fitbit charge 3 accessory sports bands allow you to strap up in style. Whether you prefer classic black or a pop of colour, there's an option for every taste. These durable bands are soft, breathable and made of strong yet pliable perforated silicone for all-day comfort. Fitbit products empower and inspire a healthy and more active lifestyle.