Mesh and synthetic upper materialsLace-up shaftAluminum toeNylon shank and non-multating upper reduces scratching surfacesCleansport NXT technology provides natural odor protectionMesh & moisture-wicking textile liningKEEN.ReGEN lightweight, compression-resistant midsole provides 50% more energy return than standard EVA foamElectro static dissipative (ESD) construction reduces static electricityOil & slip resisting non-marking rubber outsoleStyle: 1025638 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 Women's Sparta II ESD Lace-Up Work Sneakers - Aluminum Toe