Spenco RX Full Arch Cushion offers support by soothing tired feet and sore arches. They are adept at absorbing shock and reducing friction that can cause blisters. SpenCore® material exclusive cushioning layer absorbs shock and impact to provide maximum comfort, while the flexible arch cushion provides the additional stability and support necessary to help maintain proper foot position, while helping to relieve and support tired feet. 4-way stretch Fabric with Silpure Antimicrobial helps prevent blisters while controlling odour.