DESC: The 16" Meta-Pac Floating Guards are made of 100% waterproof, ozone-resistant black rubber, with steel toe and steel midsole (meets or exceeds ASTM specifications). Floating metatarsal guard. Strong nylon net lining. Removable EVA insole for comfort. Long-wearing Vibram lug outsole for heavy-duty traction in outdoor conditions. Rigid, contoured heel counter prevents slippage for walking comfort. Fiberglass shank. Double layer toe guard for extra-long wear in conditions where crawling is required. The 16" Meta-Pac Floating Guard are used for mining, refining, heavy manufacturing, and processing.