The Pittsburgh is more than just footwear, its 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 days work. Removable metatomical dual-density EVA footbed. Keen Key-Tech full-length TPU interlocking torsion plate. Dual-density, compression-molded EVA and PU midsole. EVA heel cushioning insert. Contoured heel lock. Dry-Lex footwear lining with hydrophobic/hydrophilic 2-zone comfort technology. Reflective webbing for additional safety. Keen.Key-Tech is a full-length TPU stability plate that provides forefoot flexibility and underfoot stability to meet the demands of the workplace environment. Oil and slip-resistant non-marking rubber outsole. Unique anatomically-correct steel-toe design provides a roomier toe box and maximum comfort. ASTM F2412-05 and F2413-05 I/75 and C/75 standards. Meets or exceeds ASTM F2413-11 EH standards for electrical hazard protection from open circuits. Measurements: Weight: 1 lb 15 oz Shaft: 6 in Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.