Whether you are interested simply in protecting your fancy racing shoes from the mud and grit so common on training routes, or you want to get an aero advantage for your next Wednesday evening time trial series, the Pinarello Lycra Shoecovers will give you what you need.. Made from a sturdy yet stretchy Lycra, the Pinarello Shoe covers offer a durability that becomes essential once you start having to clomp around your coffee shop. The covers have a cutout sections to accommodate the cleats and the heel. The cleats obviously need to breathe, but to have the heels neatly clipped out and seamed will save you the trouble of having to wear a hole in there yourself. There is a zipper at the rear that will make it infinitely easier to get in and out of the covers.. SIZE GUIDE. S : EU 37-38. M : EU 39-41. L : EU 42-44. XL : EU 45-47