Magnetic Heel Wedge Insoles: Made of soft and durable PU gel material with strong self-adhesive, reusable and washable. Upgrade version - Magnetic therapy helps relieve muscle tension from the heel. Supination & Overpronation: Medial & Lateral heel wedge insoles provide more comfortable shock absorption and reduce the heel pain when you are walking or standing. Posture Correction: One size fits most, whether it\'s men or women. Heel wedge design can effectively correct leg shape and posture problem. Orthotic Shoe Inserts: Wear medially to correct overpronation counteracting knock knees and ankle eversion. Wear laterally to correct supination, preventing bow-leggedness and ankle inversion sprains.