Wool blend knit uppers with suede heel guards,Insole features a genuine sheepskin sockliner that naturally wicks away moisture and keeps feet dry,Light and flexible molded EVA outsole,Approximate Shaft Height (Uncuffed) is 12 inches. This style tends to run a size large. We recommend ordering a size smaller from your typical shoe size. If you are between sizes, we recommend ordering a full size and a half smaller