The iceGUARD iG51v is Yokohama's Light Truck/SUV Studless Ice & Snow winter tire developed for the drivers of crossovers, sport utility vehicles and light-duty pickups looking for traction in challenging winter driving conditions. Featuring Yokohama's advanced winter tire technology, iceGUARD iG51v tires are designed to be proficient in cold temperatures on dry, wet, slushy, snow-covered and icy roads.Yokohama iceGUARD iG51v tires feature a high-density reinforced tread compound to enhance tread block stability that delivers longer, more even wear. This compound is molded into a directional tread design that incorporates a Variable Angle Center Rib around the tire's circumference that increases stability in dry weather conditions. Central Zigzag Circumferential Grooves feature 3-D-shaped walls to pack and expel snow while lateral Slush Grooves disperse water, slush and snow. The tire's internal structure features twin steel belts on top of a polyester cord reinforced casing to blend durability with ride comfort.The iceGUARD iG51v Studless Ice & Snow tire meets the industry's severe snow service requirements and are branded with the three-peak mountain snowflake (3PMSF) symbol.Install Yokohama iceGUARD iG51v tires in sets of four only. Due to the traction capabilities of iceGUARD iG51v tires, Yokohama recommends using them only in sets of four to provide the best handling characteristics and tire performance. *Yokohama BluEarth branding is used to identify an ecologically friendly series of tires that are designed to deliver environmentally, human and socially friendly solutions for drivers and their vehicles. Specific sizes utilizing BluEarth Technology are identified on the Sizes tab, as well as on the tire's Specs tab. Related Information: What is the three-peak mountain snowflake symbol (3PMSF)? | Environmentally Conscious Manufacturing