Smartwatch Band. Color: Black. Compatible with Garmin: Forerunner (255S, 255S Music, 265S), Legacy Hero - Captain Marvel, Legacy Hero - Rey, Venu 2S and 3S, Vivoactive 4S and 3S. Width: 18 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 is threaded around the pins and 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.