Kamik Men's Barrell Work Boot 100% Synthetic Made in the USA and Imported Synthetic sole Shaft measures approximately 15" from arch Heel measures approximately 1" Platform measures approximately 0.5 inches Boot opening measures approximately 18" around Composite toe 7mm 4-way stretch waterproof neoprene upper Lockfit supports and locks the foot in place for secure fit Tear guard minimizes snags and tears Advanced all weather outsole