Podiatrist-designed as a more effective alternative to basic heel cups. * Designed for everyday use: fits most types of women"s and men"s footwear. * Built-in rear-foot angle that helps control mild-excess pronation and restores the foot to the neutral position. * Soft 100% nylon topcloth with EcoFresh® earth-friendly microbe shield technology to help safeguard against odor-causing bacteria. * Shock-absorption with a shock dot in the center of the heel.