DetailsSpenco Heel Cushions provide comfort where you need it most, the heel! Twice as thick as our Arch Support insoles, these cushions protect against stress on the heel. Tapered Edge fits comfortably in your shoes. SpenCore Material Exclusive cushioning layer absorbs shock and impact to provide maximum comfort. 4-way Stretch Fabric with Silpure Antimicrobial helps prevent blisters while controlling odor.