Urethane rubber repair system is perfect for restoring a favorite pair of running shoes, for making repairs in the harness shop or for holding together a delaminated heel on a snowboard boot. Unaffected by heat or solvents, Freesole cures to a flexible thermoset rubber product providing superior adhesion, wear resistance, flexibility and waterproofing. Thick repairs on worn heels, toes and soles can be made with only one permanent application that will not separate. 1 oz. tube.