The Summit Trail Climber RT is a rugged-terrain tire that's ready for remote trails or urban streets. The Trail Climber RT features deep stepped lug treads with scalloped shoulders and aggressive sidewall biters, and has the Three Peak Mountain Snowflake rating for severe winter service. The Trail Climber RT is designed with a durable rubber compound and is covered by Summit with a 45,000 mile limited manufacturer's tread life warranty.