TYR Style #: CXT2ECF COLOR: 330 Lime Carbon Fiber, Powerplate. The CXT-2 Elite Carbon Trainer is the world’s first super trainer, engineered for peak performance with cutting-edge technology Super Critical Pebax Foam High Density Heel Foam Stronger TPU Stability Wrap Secure Lacing System Ultra-responsive SURGENRG Foam Midsole Wider fit 4 mm effective heel to toe drop Extended toe guard Nylon mesh construction Smooth and durable heel tab Flexible in the forefoot Stable in the heel NEW, tested ONCE