The Spenco RX 3/4 Arch Cushions Insole provides lightweight arch support. Recommended for people with general arch pain this insole works well in dress casual and athletic shoes. The 3/4 design works best in tight-fitting shoes without taking up toe room. Spencore material absorbs shock and impact for comfort with every step. A flexible arch cushion provides stability and support to help maintain proper position which helps relieve and support tired feet. Silpure antimicrobial technology on the top cover prevents blisters and controls odor. The Spenco RX Arch Cushions Insole is available in seven sizes for correct arch cushion placement to promote a better overall fit comfort and performance. May be hand washed in warm water and air dried as needed.