- SPR Leather - Georgia waterproof system - ASTM F2413 protective toe classification - ASTM F2413 electrical hazard standard - Cushion EVA midsole - Fiberglass shank - Heel-stabilizing Counter Lock - 11 Inches in height - High performance mesh lining - Ergo-Fit safety toe designed to match contours of feet, providing superior comfort and flexibility - Oil-, chemical-, abrasion-, heat-, and slip-resistant rubber outsole - Back zipper for easy on/off - Quick Response Polyurethane foam removable insole