Rocky® EnergyBed Footbed provides cushioning comfort while conforming to your individual foot shape and fighting sweat.The insert footbed has a memory foam cushioned top layer that conforms to your foot. Flex-grooves also conform to the articulation of your foot. Forty-density polyurethane absorbs shock, then returns to its inherent shape.In addition to comfort with every step, this footbed helps keep your feet dry from potential sweat. Multiple ports channel air as you walk so your feet remain dry and cool. This removable insole is covered with a soft, brushed anti-microbial fabric that prevents odor from developing.The Rocky Energy Footbed is specially designed to give you all-day comfort.