* Red Wings Shoes* Size: 10 D* ASTM F2413-05 Electrical Hazard safety footwear provides workers with a secondary source of protection from live circuits, wires or highly charged electrical equipment. The insulating properties of such footwear are measured under dry conditions and may deteriorate in wet environments with wear.These are pre-owned shoes. Please see all photos to be sure they meet your standards. If you have questions or would like more pictures, just ask!