No longer in stock online. CTM Ultra Carbon is a premium running shoe designed for athletes who demand nothing but the best. A new standard in ultra-distance running for elite athletes, this high-end running shoe combines hyper-lightweight Ud Foam with a tuned carbon plate for the ultimate in efficiency and energy return. It also features a full-contact rubber traction outsole that delivers best-in-class durability and traction. Built for neutral pronation.m, speed and durability, the Ultra concept includes ultra-lightweight and ultra-fast running shoes that are capable on varying surfaces. The platform provides a perfect balance between stack height, drop and foot angle to enable runners to keep form as effortlessly as possible, which is essential when you want to run fast during a sustained period of time. CTM stands for Craft Tailored Motion and includes the most advanced materials and the latest innovations. One-piece engineered mesh upper - Ud Foam midsole bottom layer: lightweight, high rebound, and durable - Ud Foam midsole insert: ultra-light, ultra-high rebound - 3-pieced lugged traction rubber outsole capable on road or moderate trail surfaces and in varying climate conditions - Tuned carbon fiber plate with precision split for torsion and variable energy return - Weight UK5 203 grams - For neutral pronation - Stack height 40 mm - Drop 10 mm