Hand-crafted with high-quality Horween leather and other materials, this perforated accessory band is a cool, casual way to wear your Fitbit Ionic. The Fitbit Ionic perforated leather band is not sweat or water-resistant. We recommend limited to no contact with moisture to reduce discoloration/damage to the band. Horween leather is a high-quality leather hand-crafted and tanned in chicago through traditional tanning techniques. Because this band is made from natural materials, it will mold to your wrist and develop an aged patina finish over time. Connectivity Multi-platform operating system. Physical specification Size: small. Strap size L170, . Strap can be removed and replaced. Features