FOM (pronounced foam) is in a word Comfort or as we like to say it Incredibly Comfortable Footwear.It starts with the material. These shoes and sandals are molded from a proprietary blend of EVA foam and rubber. The EVA provided a lightweight structure while the rubber provides slip resistance and bounce to sole. That bounce provides a rebounding effect delivers sustained comfort and energy return throughout the wear of the shoe. The shape of the footbed supports you and your feet. The footbed features a contoured design with a sunken heal and raised arch. This design is critical in providing the most comfort and relieve sore feet.