Triple layer construction with a full aluminum core from base to rim for superior heat distributionMirror-polish stainless steel exterior contains lightweight titanium to effectively prevent scorching, discoloration and corrosion at higher temperaturesIconic three-ring lid with stainless easy-grip knob has stabilizers for a tight fit, and a built-in steam vent to prevent overflowErgonomic stay-cool handles and helper handles allow for quick, comfortable movement on the stovetopCompatible with all cooktops and oven-safe up to 500°FSafe for dishwasher and metal utensils