Feet stay warm and dry with a Scotchgard™ treated nylon upper that repels water plus a faux fur lining. Vaporex® heat-retaining insole system for extra insulation and cushion. EVA spacer to customize the fit. A flexible rubber sole provides responsive cushioned comfort with every step. 4.5-inch height Double Insoles Scotchgard™ Vaporex® Waterproof Diabetic Friendly