Smartwatch Band. Color: Black. Width: 22 mm. The UltraFit nylon straps are lightweight, soft, and comfortable to wear. They are made from an elastic, two-layer, antimicrobial nylon fabric that wicks away moisture. The strap wraps around the pins and is secured with two Velcro fasteners at both ends of the strap. This makes adjustment easy and ensures a secure fit for different wrist sizes. UltraFit nylon bands offer proven performance and superior durability.