Made with a memory foam top for increased cushioning featuring copper technology to deter odor-causing bacteria and fungi, the Aetrex Memory Foam Medium-High Arch Insole molds itself to each foot's shape, increasing comfort, stability, and support and thereby reducing fatigue. Made for those with medium to high arches, you can now make your favorite (or least comfortable) shoes a lot more comfortable with this copper orthotic. Why wait another day to make yourself more comfortable when help is right here with a simple click?!