Simms Flats SneakerCombines rugged puncture resistance for sharp, rocky terrain and a sneaker like fit for effortless on the go comfort. Built with durable, non corrosive saltwater friendly materials throughout the boot. Molded, rubber toe and heel cap to protect against wear and tear. Non absorbing foam and neoprene liner for all day comfort and protection. Non marking, gum rubber outsole for traction on boat decks and around the dock.