Continental ContiProContact - SSR is a high-performance all-season tire. It features unparalleled wet-braking capacity and year-round traction. Its straight circumferential grooves provide excellent water evacuation and outstanding braking on wet surfaces. ContiProContact – SSR is a self-supporting run-flat tire that runs flat when pressure is low in it.(? can we use allow to drive even if the pressure is low instaed of run flat)