Mid brown nubuck uppers impact resistant polycarbonate toe cap to 200 joules l protection nailproof midsole for penetration resistance to 1100 newtons dual density purubber sport trainer sole full length footbed for instant comfort all key seams double stitched for long life oil slip and acid resistant antistatic outsole outsole heat resistant to 300c moisture wicking comfort lining throughout en iso 20345 s1p