Crocs - Brandclub - Crocs Unisex Adult Duet Max Boots, Navy 。NEW with tags, CROCS Duet Max II insulated boots. No box. Size 11 (men\'s). Smoke & pet free home. Rugged outsole provides a good grip. Classic Crocs meets booties with the Crocs Duet Max II Boot. Pretty much the perfect shoe in cool to mild weather, the Crocs Duet Max II Boot will keep our feet protected from rain and light snow. The classic rubber bottom features faux holes for protection from the elements, while the puffy upper can be cinched close to our leg for extra warmth. Classic crocs with an extended puffy shaft Crosslite upper is durable and impact-absorbing Adjustable drawcord cuff helps to keep in the warmth.