Pressure-sensitive foam that shapes to your foot for personalized comfort. Polyurethane foam middle layer provides comfort and stability. All natural coating that eliminates odor-causing bacteria. Stabilizer cap at the base of the insole supports the rear foot and provides structure and stability to the foam layer. Suitable for arthritis, athletic care, corns and calluses, diabetic foot care, heel pain, and plantar fasciitis. View all our plantar fasciitis products here.