Toyo Open Country C/T Tires are On Sale and Ship Free! The Open Country C/T boasts all-terrain commercial grade durability, plus a Three-Peak Mountain Snowflake qualifies it for severe snow conditions. Developed for balanced on- and off-road work, this 4x4 tire offers unique tread design and tough construction deliver long tread life and traction in gravel, mud, and snow. Contrary to its aggressive appearance, the Open Country C/T also provides a quiet, comfortable highway ride.