Thicker profile offers maximum support for medium to high arches in running, hiking, alpine and industrial footwear with removable insoles * Friction- control top cover helps reduce blistering * Encapsulating Stabilizer System [ESS] provides optimal underfoot support through the unique combination of our stabilizer cap and the shape and design of the foam full length * Agion antimicrobial treatment helps inhibit odor-causing bacteria * 3/16 Inch Foundation High Density Foam resists moisture and helps reduce shock while offering advanced comfort to the entire foot * Note: Mold will only show whole sizes even though a half size may be indicated.