UltraFit nylon straps are lightweight, soft and comfortable to wear. They are made of a stretchy double-layer antimicrobial nylon fabric that allows moisture to escape. The strap wraps around the pins and is secured with two sets of Velcro straps at each end of the strap, providing easier adjustability and a secure fit for a variety of wrist sizes. UltraFit nylon straps offer trusted performance, comfort and superior durability.