<p>The <b>Mach 6</b> features:</p> <ul class="features-container features-extended collapse show"> <li class="feature-item">Creel jacquard upper</li> <li class="feature-item">Streamlined collar foam package</li> <li class="feature-item">Dual internal gusset</li> <li class="feature-item">Super critical foam midsole</li> <li class="feature-item">Strategic rubber outsole coverage</li> <li class="feature-item">Anatomical tongue</li> </ul>