Firestone Winterhawk 4 (205/55 R16 91H EVc)

The material or structural classification of a product’s outer shell or body, such as metal, plastic, composite, wood, or specialized alloys. It indicates the primary construction material used in manufacturing and helps buyers assess durability, weight, and suitability for specific applications.

The horizontal measurement of a tyre’s tread width, expressed in a linear unit such as millimetres or inches. It indicates how wide the tyre is from sidewall to sidewall and is used for sizing, fitting, and compatibility with rims, wheels, and vehicle specifications.