Based on the slick, the semi-slick brings a more aggressive tread pattern to the table for touring and close class bikes, maintaining the integrity provided by the aither 1 compound. 1 puncture proof of all tannus tires; the semi-slick allows for better control on and off the beaten paths, where many riders have doubted to go for fear of a puncture for too long; with semi-slick, you can feel confident taking that road through the park, over the worn wooden bridge or down the gravel covered road without the worry of getting punctured or break a rim; The most important aspect of cycling is confidence in your bike and with the semi-slick every path earns the ability to change from less traveled path to exploration without fear; with the unlimited ability becoming your reality.