M-Tac Winter Insoles for Men - Warm Insulating Thinsulate & Soft EVA Foam Layer - Thermal Feet Inserts (Size 8-12)M Tac Winter Insoles for Men Warm Insulating Thinsulate & Soft EVA Foam Layer Thermal Feet Inserts (Size 8 12) These M Tac winter insoles warm you in freezing weather and significantly improve the microclimate inside the shoe. The insole base is soft and cushioned, which reduces pressure and makes walking more comfortable. Innovative Material The warm shoe inserts are super warm owing to the 3M Thinsulate Featherless insulation that provides perfect