Lake evolves CX237 to new CX238 with updates improving the durability and performance of this long-time favorite road racing shoe in wide model which is 15 mm wider than the standard one. The competition last shape provides better fit and comfort under heavy loads, with a thinner heel and wider forefoot allowing the foot to expand under pressure. It's all supported by a Lake's Race carbon fiber outsole. providing rigidity necessary for better power transmission and durability. A heel panel and rubber toe bumper protect against premature wear and tear; the leather upper features mesh inserts and vents for improved cooling..