Warm And Insulated Insoles For Men And Women Are Designed With A Unique 3 Part Construction: Felt Top For Superior Insulation And Moisture Wicking, Foam Middle For Shock Absorbing Comfort And Metal Foil Bottom Top Reflect Heat Back Up To Feet To Keep Cold Out.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }