This wide-calf boot features a stretch knit upper for flexible fit, paired with adjustable details and easy zip entry for everyday wear. Stretch knit upper for ease of fit Full inside zipper for easy on and off Adjustable side gore for a custom fit Padded insoles for added comfort Skid-resistant outsole for a better grip 15" shaft height Wide calf: 17 3/8"-20 1/4" shaft circumference 1" heel height Note: Measurements based on size 7 boot. For each full size larger, circumference increases by 1/2" Boots are available in full sizes 7-12 W.