it is time to break ground, not your foot. get the protection and technology you need to dig in and not let up. Featuring an External Met Guard that ensures protection when you drop things on your foot. The Electrical Hazard protection is though against live circuits and wires. Cushiony memory foam forms to your foot shape, helping to relieve back and joint pain every day as well as giving you more cushion with every strike of your heel. Groundbreaker 6 inch Electrical Steel Toe External Met Guard Work Boots