The Keen Utility San Jose Aluminum Toe work boot offers a lightweight leather construction that still provides superior protection, underfoot support, and reliable slip resistance while you're on the job. Left and right asymmetrical aluminum safety toes work boot ideal for medium duty and provide more room in the toe box and added comfort. Waterproof leather upper. Unlined interior. Removable, metatomical dual-density EVA footbed provides added support and underfoot comfort. Leather sourced from a Leather Working Group (LWG) Certified tannery. PFAS Free. Interior features CLEANSPORT NXT⢠for natural odor protection. Traditional lace-up system for a secure fit. KEEN LUFTCELL dual-density PU midsole is infused with air for weightless comfort and underfoot support. TPU shank for midfoot support. Outsole features siped technology that disperses liquids quickly for increased traction. Aluminum safety toe meets or exceeds ASTM F2412-11 and F2413-11 I/75 C/75 EH (Electrical Hazard) safety standards. Midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards. Non-marking KEEN.GRIP rubber outsole is oil and slip resistant. Meets ASTM F2913 SATRA and F1677-96 MARK II non-slip testing standards. Style Number: 1020053 (Black/Carmel Cafe) 1020057 (Falcon/Carmel Cafe) 1020055-200 (Gingerbread/Off-White) Imported. Measurements: Weight: 1 lb 12 oz Shaft: 6 in Product measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size.