From ECCO, the Men's Gruuv GTX U-Bell Leather Sneakers feature: Crafted in smooth ECCO leather GORE-TEX waterproof protection Smartly designed external loops with elastic shoelaces for on-the-go adjustment Removable dual-fit comfort foam insoles covered in breathable textile.  This unique feature allows for customizable width ECCO FLUIDFORM™ Technology for a fit that follows the shape Soft, ultra-light PHORENE midsole for bounce and energy return Dynamic two-way flex rubber outsole that not only provides your grip but full use of your foot at any angle Imported.