STANDARD: ASTM F2413-11 UPPER: water repellent full grain leather EXTERNAL LINING: breathable synthetic INTERNAL LINING: TEXELLE 100% polyamide fabric, breathable, it absorbs and releases the moisture, abrasion resistant FOOTBED: full SOFT-BED, made of extremely soft, scented polyurethane, anatomic, removable. The upper layer absorb moisture and keep the foot dry SOLE: polyurethane/nitrile rubber resistant up to 572 °F (1 minute contact) Composite Safety Toe: Puncture Resistant: APT PLATE PLUS: sealed seams PERFORMANCES AND TECHNICAL FEATURES: 100% Non Metallic , sealed seams, Test Mark II SIZES - WIDE: 7 ½, 8, 8 ½, 9, 9 ½, 10, 10 ½, 11, 12, 13