Mesh and synthetic upper materialsLace-up shaftAluminum broad safety toeMesh and moisture wicking textile lining with nylon shank provides midweight supportCleansport NXT technology provides natural odor protectionElectro static dissipative (ESD) or Super-Static Dissipative (SD+) footwear construction reduces excess static electricityRemovable metatomical PU footbedKEEN.ReGEN lightweight, compression-resistant midsole provides 50% more energy return than standard EVA foamOil & slip resisting non-marking rubber outsoleStyle: 1025723 jQuery('.product-info').find('ul li').attr('tabindex', '0'); Shipping & Returns Easy returns in store and online. Learn more. At checkout, we'll provide you with an estimated delivery date for your order based on your shipping method. Standard shipping charges may apply based on the order value. Product Name:  Keen Men's Sparta II ESD Lace-Up Work Sneakers - Aluminum Toe