| abstract |
An puncture resistant outsole, for safety footwear having an upper with a vapor permeable insole wherein a top insole surface supports a foot of the wearer, the air exhaust outsole comprising: a ventilated midsole, with a top midsole surface engaging a bottom insole surface of the upper, the midsole including a ventilation channel between a side midsole surface and the top midsole surface; a puncture resistant layer with a top surface bonded to a bottom midsole surface, the puncture resistant layer comprising a puncture resistant core bonded about at least a peripheral edge in a flexible coating, the puncture resistant core being vapor impermeable comprising one of: a sheet metal plate; and multiple layers of woven fabric bonded together with a resilient rubber layer therebetween; and a tread layer with: a top surface bonded to a bottom surface of the puncture resistant layer; and a bottom tread surface. |