Size range 38-47 (5-12) anti-static shoe upper Waterproof Nubuck and Leather Anti-abrasion toe-cap 200 Joule ALUMINIUM. Anti-magnetic. Anti-corrosion- - Does not conduct heat or cold anti-perforation midsole Flex System in Composite Material. Anti-magnetic, does not conduct heat or cold. lining Dryfit ? ANTIBACTERIAL ?BREATHABLE insole Comfort-Plus, Breathable, Anatomical, Antistatic with IN GEL SYSTEM SHOCK ABSORPTION sole TPU/PU With IN-GEL insert ? Anti-slip, Anti-torsion, Anti-abrasion