Hy HyVIZ Leg Bands Silver. Shine out when the lights grow dim with the Hy HyVIZ Leg Bands Silver. Offering a fully adjustable wrap that can be used either for yourself or your horse, the Mercury Leg Bands feature a fully adjustable wrap with twin touch tape closures for easy adjustability. With a mesh lining to help encourage airflow, the Silva Leg Bands are designed with a silver reflective material to provide a scintillating white glow to provide maximum visibility when subjected to headlights.