FREE SHIPPING. Calphalon One Nonstick cookware combines two technologies to create an unparalleled nonstick cooking experience. The interior surface is a proprietary matrix of four interlocking nonstick layers, each of which contributes to the cookwares unmatched durability in the kitchen. By means of an exclusive anodization process, the exterior of the pan is infused with an advanced release polymer. This polymer prevents foods from sticking and staining and keeps your cookware looking great