KEEN Utility Men's Warren ESD Work Boot 100% Leather and Synthetic Made in the USA or Imported Rubber sole Shaft measures approximately 6" from arch Left and right asymmetrical steel toes Nubuck waterproof leather upper Removable metatomical dual density EVA footbed Meets ASTM F2412-11 F2413-11 I/75 C/75 SD and F1677-96 Mark II non-slip standards 90 degree heel