Stanley Men's Assure 6 Inch Steel Toe Work Boot Meets ASTM standards F2413-11 and is rated I/75 and C/75, including electric hazard resistance Full grain leather upper with mesh inserts PU injected Outsole / Midsole Slip & Oil Resistant Removable EVA insole Reinforced TPU Heel Counter Breatheable air-mesh lining with soft foam padded ankle collar / tongue