Thin Green Line Crew Sock

Our Thin Green Line represents our Federal Agents such as Border Patrol, Park Rangers, Game Wardens, and of course our U.S.A. Military. FirstOn Socks are 100% Made in the USA and are manufactured with 100% USA made fibers!    Materials Our products are made with a combination of Nylon, in-house created LYCRA® Spandex, and FYnesse®STA-COOL® Polyester to prevent blistering. We also use a copper infused fiber called CuTECH®, which is a fiber composed of copper and polyester that enhances circulation and reduces bacteria. We utilize Silver Tech Anti-Microbial which helps the sock continually fight bacteria on the inside and outside to prevent foot odor and infection.    C4 Technology C4 Technology was designed by the incredible FirstOn Research and Development Team to bring our customers the ultimate performance sock. The 4 C's stand for Comfort, Contouring, Compression, and Cushioning.  Comfort: A stay-put comfort band around the top of the sock ensures that "hungry boots" will be a t