The compound of this midsole maintains its comfort, cushioning and rebound over the distance of an ultra. It won't compress or collapse.
The energy save midsole with a rolling profile, keeps you flowing down the trail. A breaking zone in the sole helps maintain confidence on the descent.
The SensiFit™ on this shoe has floating wings that make it easy to adjust the forefoot and midfoot support as your needs change throughout a long event. They also provide added protection