Intriguing brushed aluminum exterior, pure aluminum core that not only covers the bottom of the pan but also extends up the sides. This allows for great heat conductivity as well as an even heat distribution so you won't have hot spots when cooking, stainless steel interior layer/cooking surface, long, brushed stainless, stay cool handles. The handles are secured with sturdy, non-corrosive rivets. Polished stainless steel lids that fit even with the pan's edges to seal in flavor. Hand washing is recommend when cleaning your All-Clad MC2.