no flaws detected. from Dansko site: Sonja is a traditional open-back clog that includes all the supportive features of our classic Professional clog in a mule. It is ultra-supportive and easy to wear so you’re always a step away from legendary comfort. Protective heel counter allows the heel to move up and down freely while providing lateral stability Padded instep collar for extra comfort Leather uppers. Nubuck treated 3M Scotchgard™ protector for stain resistance Roomy reinforced toe box allows toes to move comfortably with plenty of "wiggle room" Leather-lined, breathable, single-density open cell PU foam sockliner Contoured PU midsole provides arch support Inner frame provides stability PU outsole with a wide heel strike for stability Anti-fatigue rocker bottom promotes forward foot motion for shock absorption and energy return APMA Seal of Acceptance Heel Height: 2 in Platform Height: 0.75 in