Rubber is soft, does not tan even in severe frost. The spikes are very reliable. After two winters of intensive use, almost everything is in place. Although he did not spare the rubber and slipped not only on ice and snow, but also on asphalt. Fortunately, the diesel engine allows it. ))) The patency in the snow is excellent, it bites into the ice like teeth. On an ice slide, starting is not a problem at all! Plus the price is amazing!