Synthetic and textile upper materialsLace-up shaftCarbon fiber toeMoisture wicking liningKEEN.BELLOWS FLEX technology allows footwear to bend and flex up-to 3x easierKonnectFit heel capture system provides locked-in feelNylon shank for midfoot support and abrasion-resistant synthetic upperRemovable metatomical PU footbedKEEN.ReGEN lightweight, compression-resisting midsole providing 50% more energy returnOil & slip resisting non-marking rubber outsoleStyle: 1025577 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 Kansas City Lace-Up Work Sneakers - Carbon Toe