Reebok Work Duty Men's Rapid Response RB RB8674 6" Tactical Boot 100% Synthetic and textile Imported Rubber sole Shaft measures approximately 5.5" from arch Heel measures approximately 2" Platform measures approximately 0.5" Boot opening measures approximately 12" around Stealth 6" tactical boot with side zipper Electrical hazard protection XTR brand extra wide composite toe cap Removable Foot Force F2A polyurethane cushion insert Meets ASTM F2413 Testing Standards