The Pittsburgh is more than just footwear, it's a tool to get the job done right. Waterproof nubuck leather upper. Locking metal hook and lacing eyelets. Keen.Dry waterproof breathable membrane locks out rain and humidity, but releases the heat and perspiration created throughout a hard day's work. Removable metatomical dualdensity EVA footbed. Keen KeyTech fulllength TPU interlocking torsion plate. Dualdensity, compressionmolded EVA and PU midsole. EVA heel cushioning insert. Contoured heel lock. DryLex footwear lining with hydrophobic/hydrophilic 2zone comfort technology. Reflective webbing for additional safety. Keen.KeyTech is a fulllength TPU stability plate that provides forefoot flexibility and underfoot stability to meet the demands of the workplace environment. Oil and slipresistant nonmarking rubber outsole. Unique anatomicallycorrect steeltoe design provides a roomier toe box and maximum comfort. ASTM F241205 and F241305 I/75 and C/75 standards. Meets or exceeds ASTM F241311 EH standards for electrical hazard protection from open circuits. Width: EE Color: Bison/Red