- Size: 36-42 • Transform any shoe into a sanctuary of comfort and support. • Designed for foot health and comfort. • Perfect for daily activities. • Arch support and prevention of flat feet. • Promotes blood circulation and prevents fatigue. • Trim the insoles to fit your shoe size. • Ideal for work boots and running shoes. • If you experience discomfort, stop using immediately. • Japanese-inspired magnet therapy to enhance well-being. • Antimicrobial silver coating to keep feet fresh. • Distribute weight evenly, improving posture.