Kenetrek Women&#39;s Mountain Extreme Insulated Hiking Boot with 400 gram Thinsulate,Kenetrek,Womens Mountain Extreme" /> 100% Leather Rubber sole Shaft measures approximately 7 1/2" from arch Heel measures approximately 1 1/4" Platform measures approximately 3/4" Boot opening measures approximately 13" around 8" tall leather uppers made from 2.8 mm full grain leather feature double and triple stitching throughout for added durability 5 mm nylon midsole provides fantastic stability and the custom Supportive insoles give your feet the support they need Forged boot hardware offers corrosion resistance and swivels instead of breaking Durable, breathable Windetex waterproof membrane and 400 gram Thinsulate keeps your feet warm and dry Protective rubber sole guard for extra abrasion resistance