The Winter Sottozero Serie II is the second edition of Pirelli's Performance Winter/Snow tires. These tires are specifically designed for drivers of high-performance vehicles who encounter challenging winter road conditions. The philosophy behind the development of the Winter Sottozero Serie II is that winter tires should be able to perform well in various unpredictable weather conditions, not solely in regions known for heavy snowfall. These tires are meant to be used during the winter season, which typically spans from November to April in certain parts of the United States. They provide traction and handling in cold, dry, wet, and wintry conditions. Pirelli has incorporated new polymers and mixing processes into the tread compound of the Winter Sottozero Serie II. This innovation makes the tires more environmentally friendly as they are free from aromatic oils. Additionally, Pirelli's Temperature Dynamic Compound technology optimizes the tires' compound for improved traction on wet and icy surfaces, particularly in winter's near-freezing temperatures. The tread blocks of these tires feature Pirelli's Interactive Brickwork Siping, which creates a brickwork pattern. This pattern enhances both lateral and longitudinal stability while also increasing snow traction by providing more biting edges. The internal structure of the Winter Sottozero Serie II includes twin steel belts reinforced by spirally wrapped polyamide, which enhances thermal stability and reduces sensitivity to fluctuations in road and air temperature. These winter/snow tires meet the industry's severe snow service requirements and are branded with the three-peak mountain snowflake (3PMSF) symbol. It is crucial to install the Winter Sottozero Serie II tires in sets of four for optimal handling characteristics and tire performance. The traction capabilities of these tires are best utilized when all four tires are used together. Related Information: The three-peak mountain snowflake symbol (3PMSF) is a certification given to tires that meet specific criteria for snow performance. A tire with this symbol has demonstrated its ability to provide reliable traction in severe snow conditions.

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