USA made and certified by the United States Air Force, this boot features a military-standard Vibram 1276 outsole with Danner's classic stitchdown construction for a more stable platform and superior durability. Dri-Lex lining provides excellent vapor transport, is extremely quick drying, is completely breathable, resists odor and mildew in hot weather. Rough out, full-grain leather upper offers serious protection and toughness and provides mildew resistance, breathability, and low water absorption.