展开CTM Ultra Carbon Trail is crafted to specifically meet the needs of elite trail- and ultra-distance runners.This premium running shoe combines a specially formulated UD Foam™ with a tuned carbon plate for the ultimate in efficiency and energy return. It also features a Vibram™ Megagrip™ traction outsole that will define a new standard in speed and versatility over the harshest of terrains. The nylon upper is highly durable while remaining lightweight and flexible, and the no-sew overlay provide critical protection without sacrificing speed and feel. This shoe is the complete package for attacking the elements.UltraBuilt for speed and durability, the Ultra concept includes lightweight and 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 – the best of the bestCTM stands for Craft Tailored Motion and includes the most advanced materials and the latest innovations for the most demanding athletes. When superior function, maximum energy return and truly low weight is the name of your game, this is where you come to play.Anatomic Racing FitCTM Ultra Carbon Trail combines a tight and secure fit around the foot with an anatomic toe box. The result is a running shoe that fits like a glove for maximum power transmission during intense racing and at the same time allows your toes to spread out for optimal comfort and a more natural stride. These attributes of tight fit are engineered purposefully in order to help you achieve greater velocity. For those of you who are in between sizes, or prefer more room, we recommend sizing up.