UGG Women's Sparkles I Do Sheepskin Twinface Grade A sheepskin with suede heel guards and nylon binding Suede heel guards have signature woven UGG label Approximate boot shaft height: 7.75" Approximate boot circumference at opening: 14" (35.5 cm) Cushy foam for extra comfort covered with a genuine sheepskin sock that naturally wicks away moisture and helps keep your feet dry