PROTECTION: Aluminum cap 200J, APT PLATE - Zero Perforation, non-metallic even with nails up to 3 mm in diameter, with low electrical resistance UPPER: TECHSHELL, innovative, extremely strong, tear- and abrasion-resistant, water-repellent and breathable fabric and suede-like microfiber LINING: SANY-DRY® 100% polyester, three-dimensional, breathable, antibacterial, moisture-wicking, abrasion-resistant FOOTBED: MEMORY PLUS ESD, anatomically shaped, perforated footbed guarantees ergonomic comfort and high breathability with low electrical resistance. The memory foam layer, made of fragrant polyurethane foam with good elasticity, molds to the shape of the sole of the foot. The abrasion-resistant, non-snagging, antibacterial fabric lining absorbs perspiration and keeps the foot dry. SOLE: Polyurethane/TPU with low electrical resistance PLUS: featuring sensational lacing system technology from the USA! Cap width: 11 ADDITIONAL TECHNICAL FEATURES: DGUV 112 - 191, ESD, Italian leather, Peak protection