Helps reduce muscle fatigue in feet and legs and allows you to stay on your feet longer. All day energizing support and cushioning. With Dual Wave technology. All-day cushioning: Gel waves act like tiny springs to cushion feet all day long. Cooling vents designed to keep feet cool and dry on the job. Great for arch support: Firm columns provide contoured support to overworked arch area. Work boots/shoes, casual shoes, sneakers.