Pull-On Comfort, Support ,And Durability In The Men's Acorn/Cognac Durango Workin' Rebel Collection. This Style Features Full-Grain Leather Upper With Abrasion-Resistant Rubber Heel Counter, Durango X-Treme A.C. Ventilated Shaft With An Air Mesh Lining And Insulkul For Temperature Regulation. Inside The Boot Is The Durango X-Pand System For Easy On/Off, Durango Advanced Comfort System Footbed With Insulkul For Temperature Regulation And A Cushion Flex Insole. This Style Also Features A Goodyear Welt Construction, Fiberglass Shank, Rolled Shank Area And An Eva Midsole. This Style Is Finished Off With A Slip, Oil And Abrasion-Resistant Rubber Outsole, Double Row Welt Stitch, 1 1/2-Inch Rocker Heel And A Square Toe.