The Continental Viking Contact 7 255/40r19xl is a winter tire designed to provide maximum traction and grip on icy and snowy roads. It features a directional tread pattern with wide grooves that evacuates water and slush from the contact patch to reduce the risk of hydroplaning. The tire also features a special silica compound that helps to provide excellent grip in cold temperatures. Additionally, the tire has a stiffer sidewall to provide improved handling and cornering stability.