- Armor-Tek3 carcass construction contributes to the durability of the S/T MAXX by adding strength to the sidewall and tread area. - Blended natural rubber and silica based provides exceptional wet traction and confident handling on the highway, while also delivering excellent cut and chip resistance on unpaved, rocky and gravel terrain. - Stone ejector ribs help to discharge stones and resist stone drilling. - Enhanced buttress design provides additional off-road traction, abrasion and puncture resistance. - Alternating 4-5 -rib tread pattern gives a bold look, while providing enhanced on- and off-road performance.