The ultimate performance climbing shoe developed from the ground up by Chris Sharma the Evolv Shaman is ideal for hard sport climbing and bouldering on steep terrain.. . Three opposing hook and loop straps go on quick and secure. 1.5 mm half length love bump midsole keep the foot locked in place. Two piece 4.2 mm Trax high friction rubber. High friction toe patch, a special Sharma addition for technical moves. The big toe knuckle box and love bump midsole keeps the big toe in a position of power to obtain maximum strength for edging and grabbing. The tensioned heel and arch rand eliminates dead space in the arch for secure heel hooks and transfers power to the toes. The multi pattern lining leather forefoot liner for increased sensitivity and feel, cotton heel for non stretch performance, give the best feel and function for demanding climbs.