Zamberlan Women&#39;s 996 Vioz GT Hiking Boot,Zamberlan,996 Vioz GT WNS" /> 100% Hydrobloc Full Grain Leather Imported Vibram sole Shaft measures approximately 5 1/2" from arch Boot opening measures approximately 9 1/2" around The H on the item/label stands for "Half" Exclusive Sole built for Zamberlan by Vibram