- Size: 38 • Professional orthopedic insole for flat feet. • Relief for plantar fasciitis, arch pain, bunions, and metatarsalgia. • Anatomical design with high arch elevation and metatarsal pad. • Wrap-around heel contour for better weight distribution. • Breathable, hypoallergenic, and waterproof PU material. • 100% recyclable. • Slight tilt at the heel base to straighten position. • 4-degree elevation of the big toe for greater contact.