The Kobra has a semi slick tread design featuring a flat center with knobs on the outside, making this a great tire for going from one terrain to the other without having to change the tires. No matter if you're on pavement, grass, dirt or snow, this tire can handle it! Additional features include CAP (casing added protection) that provides 65% more puncture protection, smooth center and knobby sides. 80 PSI. K-885 tread pattern. Sold as each.