Icebug Women's Metro BUGweb Boot 100% Leather and synthetic Rubber sole Shaft measures approximately 5 1/2" from arch Heel measures approximately 1 1/4" Boot opening measures approximately 10 1/2" around 1.5 ounce carbide studded traction device is removable, fits cleanly and securely up into outsole, and adds security on icy surfaces yet is civilized on pavement and other hard surfaces Full leather upper wraps the foot for comforming fit and civilized appearance Elastic top collar makes for easy entrance and no abrasion when walking Convenient achilles pull loop and grippy silicone zipper pull tab Running shoe platform with TPU stabilizer