The Jazz 14 TR provides everything you need from a trail running shoe. There are durable materials in the upper, brilliant cushioning & multi-directional traction. The upper is constructed using durable mesh & synthetics, features a premium sockliner & a HRC Strobel Board. As a result there is incredible cushioning & step-in comfort, & the shoe breathes to allow your foot the best opportunity to be cool & comfortable. This emphasis on comfort & cushioning, to support the condition of your feet during use continues in the midsole. Using Sauconys Heel Pro Grid, Compression Molded EVA & HRC Forefoot Cushioning, the entire foot is catered for when it comes to providing a proper fit & feeling, feeling soft & secure. To top it all off, the SRC Impact Zone reduces the vibrations caused by impacts on the trail any potential damage to your feet or injury.