Dr Martens Air Wair Steel Toe Boots Size 8M Safety Shoe/Boot Black Doc Martens. This is a pair of Dr Martens Air Wair steel toe  DM Industrial- DM104 -Boots, size 8M US. Shows wear and scuff marks on the toe of the boots. In very good condition overall. These boots has air cushion soles. They are oil, fat, acid, petrol, and alkali resistant. AW004, ASTM F2413-11. DM104. Please see all photos for more details.