315/30R21 Kumho Ecsta Sport S Ps72sWhere reliability meets refinement: the 315 30R21 Kumho Ecsta Sport S Ps72s. Built by Kumho, the ECSTA SPORT S PS72S emphasizes balance: grip when you need it and comfort when you want it. Its Blackwall sidewall adds a clean look while helping protect against bumps and scrapes from daily use. The tread pattern is tuned to maintain traction on dry pavement, manage water in the wet, and stay composed in light snow. Ideal for PASSENGER CUV SUV SUMMER