Snowflake symbol (Alpine symbol)
The symbol “Snowflake in the mountain” (Alpine symbol), in English: Three Peak Mountain Snow Flake (3PMSF), is awarded by American road service NHTSA and indicates the tyres which are characterised by better traction on snow and ice, verified in a test in which they are compared with reference tyres. Tyres carrying this symbol are tested in a standardised and worldwide recognised test procedures for their performance on ice and must fulfil the minimum requirements prescribed. These tyres are characterised by excellent performance - with respect to safety and handling - on roads exposed to winter conditions, such as: snow, icy roads and low temperatures.