Infinity Latexis precision processed latex which makes longer lasting calls that are more consistent and just sound better. Our proprietary process ensures precision stretching of the latex in an exact 180 arc, while precisely locking it into place for consistent sound. That's the Premium Flexadvantage. Double Dead features two ultra-thin reeds with special cut top reed. Power V features four reed, split V style gives ultimate in raspy calling. Raspy Old Hen features two reeds with double-split top reed. Cutt'n 2.5 features two ultra-thin reeds with special cut top reed.