The Odor-Eaters Ultra Comfort Insoles provides odor and wetness protection for all day effectiveness for fresher, drier feet. They are odor-destroying and help control wetness for long lasting protection. The odor eliminating insoles contain super-activated charcoal, baking soda, zinc oxide, and two powerful odor-blocking technologies. They cushion without crowding for a thin, slim, comfortable fit for your feet. Ventilation is added to provide all-day comfort and to let your feet breathe. Fits up to men's size 14 shoes and boots.