Features: Special HP (High-modulus polyester) carcass for consistent performance under the toughest competition conditions. Excellent traction and self-cleaning properties enable top speeds right from the start of the race . Pure-bred competition tires, designed for muddy and sandy conditions. Maximum resistance to heat and dynamic stresses in race conditions. Effective in all conditions of use: competition, training or just for fun. For super-soft terrain.. NHS (Not for highway service)..