Eureka Ergonomic® Height Adjustable Under Desk Foot Rest, Black and Gray. There are many benefits to using a under the desk foot rest from fighting fatigue, creating better circulation in your feet and legs. Our foot rest has an ergonomic design with a massaging surface, and adjustable angles to find your perfect ergonomic fit. Our desk foot rest has a textures surface to help promote circulation and help relieve stress and tension from your feet. Ergonomic adjustable angle design for optimal height and tilt. Easily tilt back and forth between 0 ~ 20°. Change your foot position periodically for maximum comfort.