Ecco Men’s St.1 Hybrid Plain Toe Shoe in Moon Rock Size 45 (11-11.5) Color: Moon Rock Lace-up Light wear throughout; see photos for details “Expertly crafted from antique cow leather, ECCO Hand-Finished Full Grain Crust leather, nubuck leather, all made in Ecco's own tanneries, or premium suede A unique Vitrus™ shank is integrated into the design, allowing P.U. to flow in and around it for a shape that follows the natural contours of the foot The ultra-light Phorene™ uses Fluidform™ Technology to deliver an even softer, lighter midsole, with more energy return Innovative ECCO Shock-Thru™ Technology is integrated into the sole to deliver double the energy and rebound of our previous 'shock' technology Removable inlay sole provides optimal in-shoe comfort and optional extra width when taken out Contemporary Derby delivers comfort and formal style in equal amounts”