Provides sure-footed traction on mossy rock, ice, and slick terrain; Quick-release buckle and strap system for easy on/off; Molded rubber walls at toe, heel and side provide a secure fit; Durable, push-through carbide spikes placed under toe, heel and ball of foot; Traction 28 spikes per pair placed under toe, heel and ball of foot; Customizable 24 additional spike receptacles available for custom stud placement; Boot not included; Black/Moonrock Color; Medium Size