"ELT": Pirelli Elect tyres, specific for electric car "J": Jaguar original manufacturer fitment LL: Light load; tires for light usage and loads "M/C": Only for motorcycle fitment M+S, or M&S: Mud and snow; A tire that meets the Rubber Manufacturers Association (RMA) and Rubber Association of Canada (RAC) all-season tire definition.[23] These are commonly found on all-season tires, with self-cleaning tread and average traction in muddy or very snowy conditions, and for low temperatures. Spike tires have an additional letter, "E" (M+SE).