The Pirelli P-Zero (PZ4) 235/35R20 XL is a performance summer tire designed for luxury vehicles. It features a directional tread pattern with large outside shoulder blocks that provide excellent grip in dry conditions and a silica-based compound that gives superior wet traction and braking. The P-Zero also has an asymmetric tread pattern that helps reduce noise and improve ride comfort. It is rated for speeds up to 186 miles per hour (300 km/h).