Ideal for odor protection and shock absorption. High endurance odor protection. Keeps shoes fresh & dry all day. Absorbs sweat. Sport shoes and sneakers. Trim to fit. Odor Protection; Absorbs odor better than Odor-Eaters Insoles with Zorbitex Technology. Activated charcoal and baking soda layer absorbs and neutralized unpleasant odors and prevents the growth of odor-causing bacteria on the insole. Absorbs Shock and Cushions; Provides extra protection during pounding sports activities. Long Lasting; Fast acting to keep feet and shoes dry and fresh all day.