Stay safe on the construction site with these Kelton work boots | Waterproof leather upper | Slip resistant rubber outsole with Aeroglide Unit Bottom | Composite toe meets or exceeds ASTM F-2413 safety standards | Electrical Hazard - Footwear tested by an independent lab that can withstand applications of 18, 000 volts at 60hz for one minute without leakage | Texon board footbed with added foam | Double stitched welt construction | Plastic shank