- Size: 43 • Professional orthopedic insole designed for severe flat feet. • 3/4 rigid reinforcement for greater arch support. • Full length without trimming, suitable for each size. • High arch lift and metatarsal pad for improved comfort. • Wrap-around heel contour for greater contact surface. • Moderate heel tilt to straighten and reduce fatigue. • 6º elevation in the big toe for greater contact surface. • Breathable, hypoallergenic, waterproof, and recyclable PU material. • Relief for plantar fasciitis, arch pain, bunions, metatarsals, tired feet, valgus heels, pronation, fallen arches, heel spur, Achilles tendinitis, Morton's neuroma, and metatarsalgia.