Pure-bred competition tires, designed for muddy and sandy conditions. Pirelli's special HP (High-modulus Polyester) carcass provides consistent performance under the toughest competition conditions. The paddle-shaped tread design is great for super-soft terrain. DOT approved too! Pirelli Scorpion MXS Motorcycle Tire Features Pure-bred competition tires, designed for muddy and sandy conditions Special HP (High-modulus Polyester) carcass for consistent performance under the toughest competition conditions Paddle-shaped rear tread design Tube type (TT)