The KEEN® Utility Vista Energy Shift ESD is built with KEEN.ReGEN's proven midsole cushioning, offering 50% energy return with every step.Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel meets ASTM F2412-18 and F2413-18 M I/75 C/75 SD 35 standards.Oil- and slip-resistant non-marking rubber outsole meets ASTM F2913-19 SATRA non-slip testing standards.Moisture-Wicking Textile lining.Removable metatomical PU footbed.Breathable mesh upper, carbon-fiber toes, and an ESD-rated outsole.Cushioning midsole provides a 50% energy return with every step.Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel.KonnectFit heel-capture system gives your foot a locked-in feel.Mesh and synthetic upper.PU insole.Imported.Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size.Measurements: Heel Height: 1 1⁄2 in Weight: 1 lb 0.8 oz Shaft: 4 in SKU 9617653