Brand & Style - Bogs McKinley Width - Medium True Color - Black Upper Material - Synthetic Outsole Material - Rubber Shaft and Description - Shaft measures 8 Inches Heel Height - Med (1 3/4"" to 2 3/4"") Style Description - Stay warm even in the snow with the Bogs McKinley boots. These boots feature a waterproof rubber foot and stretch Neoprene shaft with a bungee-closure snow cuff. 400 grams of Thinsulate Insulation with 7mm waterproof Neo-Tech insulation keep you warm but dry. Aegis antimicrobial treatment maintains freshness. The rubber outsole is non-slip and durable.