Kemfert's Revitalize Black 'AIR COOLED' Dress Shoes Imported Features Revolutionary, Patented Aersoothe AIR COOLING technology Reduces excess HEAT and HUMIDITY as you bend the foot - a comfortable feeling that can be felt in minutes Helps alleviate: sweaty feet, smelly feet, athlete's foot, fungal infections, blisters, etc. Circulates up to 50mL of air per step Comfortable padded collars and removable insert