- Size: 36 • Professional orthopedic insole designed for severe flat feet. • 3/4 rigid reinforcement for arch support and full length without trimming. • Relief for pain in flat feet, arches, plantar fasciitis, bunions, metatarsals, valgus heels, pronation, and fallen arches. • Breathable, hypoallergenic, waterproof, and recyclable PU material. • Anatomical design with 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 surface. • Rigid reinforcement on the bottom to enhance the effect and cushion impacts.