This is the Men s 11” Cognac/Sapphire Blue Durango Rebel Ultra-Lite collection. This style features full-grain leather with an embossed elephant grain foot, an air mesh lining, Durango X-Pand System for easy on/off, cushion flex insole, double row sole stitch, 1 ½” 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 the patented fiberglass Dually Shank System 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.