Rockport Women's Tristina Quilted Waterproof Boot Wide Shaft Brown Waterproof - ES Boot 10 M 100% Leather Imported Synthetic sole Shaft measures approximately 16" from arch Heel measures approximately 1.5" Platform measures approximately 0.5" Boot opening measures approximately 16" around Knee-high riding boot featuring quilt-texture panels at heel cup and cuff strap Full-length instep zipper Concealed goring dart Comfort system designed to provide lightweight shock absorption.