NuBorn Leather Men's Stephen Leather Jacket w/ Thinuslate FALL/WINTER 2014 COLLECTION Naked Cowhide Leather: Our finest cowhide. Combines durability with a rich, supple finish. Removable 3M Thinsulate Insulation Zip Out Liner for Additional Warmth YKK Zippers: 100% Satisfaction Guaranteed Professional Dry Clean Only. All Purchases Comes with Free Leather Gift