Built to Mil-spec standards, Danner Reckoning 400g Insulated GORE-TEX Boots deliver unbeatable protection wherever the mission takes you. These OCP boots feature a waterproof GORE-TEX membrane and 400 grams of Thinsulate Ultra insulation to keep you warm and dry in winter weather. Danner® Vibram® All-Terrain (DAT) Platform includes a shock-absorbant midsole with an omnidirectional rubber outsole that delivers exceptional gripping power on slick surfaces. With a rough-out leather and nylon upper, these 100% Berry-compliant boots are authorized for wear with U.S. Army and Air Force OCP.