Carhartt Men's 6 Work Safety-Toe NWP Work Boot 100% Leather Imported Rubber sole Shaft measures approximately 5.5" from arch Heel measures approximately 1.25" Leather work boot featuring comfortable cushioned collar and lace-up closure with speed-lace hardware at top ASTM 2413-11 and ASTM F2892-11 Electrical hazard (EH) protection ASTM rated 2413-05 steel toes