3pmsf

… A three-peak mountain snowflake (3PMSF) symbol branded on a tire's sidewall indicates the tire meets required performance criteria in snow testing to be considered severe snow service-rated. Originally used as a designation for winter tires, the 3PMSF symbol is now featured on some all-season…

…mountain snowflake (3PMSF) symbol and designed to be a year-round solution for drivers in environments that experience all four seasons, but don't receive sufficient snowfall or icy conditions to require a dedicated winter tire. The requisite test to qualify for the 3PMSF mark is a spin test…

…standard to identify tires that met the severe snow service standards and would be branded on their sidewalls with a three-peak mountain snowflake (3PMSF) symbol. In addition to tire chains, winter tires meeting this performance standard are also considered traction devices, allowing passage in many…