Description: Separates straightens and aligns your toes. Three-arch support averages pressure across foot's arch, heel and ball. It keeps your subtalar joint mobilization balance. Straightens hips and prevents muscle imbalance. Corrects knick-knee and bow leg. REDUCES PAIN caused by flat feet, Plantar Fasciitis and poor walking posture. Great for those who STAND on their feet for PROLONGED periods of time and the ELDERLY.