Falken Ziex ZE950 All-Season Radial Tire - 255/40R18 99W True all-season high performance 3D Canyon sipe technology increases edges for ice braking and interlocks under load for better handling and improved wear. Wide angled tread slot provides additional snow grip by allowing snow to be packed into the center of the tire. Sculptured groove wall provides better snow grip and eliminates rain groove wandering. Wide circumferential grooves effectively evacuate water and significantly enhance hydroplaning resistance for outstanding wet handling.