All-Clad MC2 cookware features a brushed aluminum exterior that is durable and easy to clean. Never worry about your foods picking up metallic flavors because the cooking surface is made from non-reactive 18/10 stainless steel. Rely on MC2 cookware to heat quickly and evenly thanks to its 3 layer metal construction. A fast-heating aluminum core is bonded with stainless and brushed aluminum. This 3 part metal sandwich extends throughout the base as well as all the way to the top edges, creating the consistent heat you want.