Profoot`s flat fix orthotics are specifically designed to support flat feet and low arches. The upper layer of Vita-foam custom molds to your foot to fit just like a custom orthotic. The flexible shell stabilizes your heel to prevent pronation. The 3/4 length allows toes to move freely and will fit Women`s sizes 6-10. Try the Profoot Flat Fix orthotic risk free with Profoot`s manufacturer`s guarantee.