Redback USBOK Safety boots are one of the highest selling elastic sided safety (steel toe) boots by Redback. The TPU sole is fuel & lubricant resistant, a Urethane Air cellular midsole improves shock absorption. Redbacks unique Anatomic Sole cradles the foot to reduce arch flextion (sagging). Redbacks are recommended by leading Podiatrists. Specific Workplace Use: To provide comfort and protection from entry of foreign matter during extended periods of wear in heavy indusrial environments. General Use Properties: – Enhance shock absorbancy and slip resistance – Encourage normal foot functioning including maintaining forefoot flexibility, fore-to-hind foot and heel stability.