- Size: 46 • Professional orthopedic insole for flat feet. • Pain relief in the arch, plantar fasciitis, bunions, and metatarsals. • Anatomical design with high arch elevation to support the flat foot bridge. • Metatarsal pad that enhances comfort. • Wrap-around heel contour for greater contact surface. • Weight distribution across the entire foot and increased impact cushioning. • Breathable, hypoallergenic, waterproof, and recyclable PU material. • Designed by a team of podiatrists led by Dr. Raymond Ng Kwan.