Unlined. Cushion EVA midsole. Full grain SPR leather upper. Fiberglass shank. Heel-stabilizing Counter Lock. 10 Inches in height. 14 inch calf circumference. Weight: 5.0 pounds per pair for a size 10. ASTM F2892 electrical hazard standard. AMP LT insole with memory foam. Grip panels for easy pull on. Goodyear welt construction. Padded Counter Pocket. Heat, chemical, abrasion, and slip-resisting dual-density EVA and Carbo-Tec rubber outsole.