Proprietary Gel Delivers Vitamin-enriched Mineral Oil To Skin Surface To Soothe & Soften Cushions & Protects Metatarsal Heads From Shock Pressure And Shear Forces Relieves Pain From Metatarsalgia Calluses Morton's Neuroma Fat Pad Atrophy Soft Durable Fabric For Lasting Comfort Available Covered Or Uncovered (gel In Direct Contact With Skin) Styles Soft Sleeve Keeps A Protective Visco-gel Cushion Directly Under The Metatarsal Heads To Absorb Shock Pressure And Friction To End Pain