ONGUARD 87012 Hazmax Men's Steel Toe/Shank/Midsole Knee Boots with Ultragrip Sipe Outsole, 16" Height Synthetic Made in USA Rubber sole Shaft measures approximately 16 from arch Platform measures approximately 1.00" 16" Boot height Boots are constructed of a high viscosity and flexible PVC alloy Steel toe complies with ASTM F2413-05 and CSA Z195 Exceeds CSA standards for Dielectric Footwear Steel toe, steel shank, and steel midsole for complete protection Exceeds CSA standards for dielectric footwear Replaceable cushioned insoles Steel toe, steel shank, and steel midsole for complete protection