0 Interchangeable Sole System adapts your traction to meet changing weather conditions. Includes two outsoles: SnowTrac winter rubber lug and IceTrac studded rubber lug with carbide studs (32 studs/pair). 100% Waterproof construction includes waterproof, breathable bootie, waterproof leather, webbing, and stitching to keep the foot bone dry. Molded heel counter delivers superior support without sacrificing flexibility, 7.5'' height. Material: Leather, Rubber.