Top-of-the-line comfort, style and quality. USMC approved. With heavy Nylon/Spandex liners and GORE-TEX® waterproof oversocks. Prevent blisters, eliminate odor, manage moisture, inhibit bacteria growth, absorb shock, protect feet from pressure and friction on your tendons, and regulate temperature. Black. The general public might not understand the true value of these items, and opt for a 99-cent selection from Wal-Mart®. Our TACSPEC® clintele knows better. Fucking around with thin, cheap nylon socks in the field can cause you painful and disabling injuries -- and threaten your mission. Field surgeons know that foot and shin injuries are amongst the most wide-spread and preventable they encounter. Thick, quality wool provides natural thermal and humidity regulation, and advanced Goretex® outersocks keep your feet absolutely dry in the harshest conditions. Everyone who tries them agrees they are indispensable.