Solid construction is the most common type of cookware. It has a solid metal body, and often comes with a non-stick finish. Ply construction cookware also called Clad cookware, has multiple layers of metal bonded together, often around a copper or aluminum core. This type of cookware is heavier and provides very uniform heat distribution.Select Solid if you are unsure.
Often stainless steel cookware features a base coating or bonded core of aluminum or copper. These metals are superior conductors of heat which improves the heat distribution and overall performance of the cookware.