- Size: 39 • Professional orthopedic insole for severe flat feet. • Pain relief in the arch, plantar fasciitis, and bunions. • Anatomical design with high arch elevation and metatarsal pad. • Wrap-around heel contour for better weight distribution. • Moderate heel tilt to straighten and reduce fatigue. • 6º elevation in the big toe for greater contact. • Rigid 3/4 reinforcement to enhance the effect. • Breathable, hypoallergenic, and waterproof PU material. • 100% recyclable. • Not recommended for people who have not previously worn insoles.