never worn have box Brooks Calamount mens 10, were my dads but he has too many that are never worn. New DNA FLASH midsole compound is nitrogen-infused to offer ultralight cushioning plus adaptive energy return Drainage slits release water so feet can dry more quickly Suede internal reinforcement keeps your feet locked down while keeping debris out Updated Ballistic Rock Shield protects your feet from roots and rocks without feeling stiff underfoot TPU Mud Guard provides protection from trail debris TrailTack sticky rubber outsoles provide extra traction to help you feel confident on any terrain