Taxi Vermont Winter Tall Boot : Blk Waterproof EXTENDABLE CALF WIDTH! These boots have a durable rubber outsole and short faux fur lining to keep you protected and warm during the upcoming seasons. The full inside zipper allows for easy entry and the extra inside zipper provides the option for extension. Faux waterproof leather upper Almond toe  Waterproof membrane & sealed seams Comfortable soft sock padding Short fleece footbed Durable rubber outsole Lush  faux fur warm lining , Functional full inside zipper Adjustable outside buckle Heel height: 2 in Imported available in blk and tan Extra inside zipper for extendable calf *See below for widecalf measurements* USA (Euro)* Inches with Extra Calf zipper open  5.5-6 (36) 16 1/2'' 6.5-7(37) 17'' 7.5-8(38) 17 1/2'' 8.5-9 (39) 17 3/4'' 9.5-10 (40) 18" 10.5-11 (41) 18 1/4'