Features a medium tread compound and 10 ply carcass which utilizes a reinforced lower sidewall and heavier ply cord resulting in extreme durability Deep multi angle tread blocks and low center void excels on the trails while the wider spaced, staggered tread blocks grip in the loose terrain Redefines the standard for rock crawling and aggressive trail delivering our most trail conquering tread to date The new carcass maximizes ride quality and the trackability is unmatched on loose or hard pack terrains Super deep rim guard protects wheel lips and helps avoid pinch flats at lower psi NHS (Not for highway service).. TIRE ROCTANE ST 32X10R15