This is the Men s 11" Bruin Brown/Americana Durango Rebel Ultra-Lite collection. This style features full-grain leather with a laser cut shaft and printed and embroidered faux underlay, an air mesh lining, the Durango X-Pand System for easy on/off, a cushion flex insole, double row sole stitch, 1 1/2" rocker heel and a square toe. This collection is engineered with a 6-layer comfort system. The first layer is the Durango Advanced Comfort System Footbed with InsulKul, which is a temperature regulating technology that cools when hot and warms when cold. The second layer is the two-layer innersole that contours and molds to your foot. The third layer is a Dually Shank, for twice the torsion stability and midfoot support. The fourth layer is the dual-density EVA midsole that has a soft shock absorbing forepart for ultimate flexibility and comfort and a firmer shock absorbing heel for added stability.