Orange Insert: Supinating channel — shaped insert. Heel and metatarsus supination 10mm. Usage — in instep validity, longitudinal flat feet, knees validity and transverse flat feet. If you wear Memo shoes and after two weeks of wearing outsole abrasion in Zone 3 or 3 and 4 you need to wear Memo shoes with Memo Orange Insoles. They secure and form back of feet and instep. Profiles the feet shape and metatarsus. Contributeds to proper transversal and longitudinal plantar arch shaping.