Non metallic. High abrasion upper with cast PU molded components. Durable Goodyear Welt Construction with integrated welt heel lock. Oil and slip resisting triple density outsole. Rocky Rebound Cushioning Technology EVA Midsole with TPU Cross Shank. 1 Year Vapor Pass Breathable Waterproofing. EnergyBed LX Footbed with Memory Foam. ASTM F2413 Electrical Hazard. ASTM F2413 Protective Toe.
