Rothco Athletic Crew Socks Color: Olive Drab Authorized To Wear With The Us Army’s Pt Uniforms, Rothco’s Athletic Crew Socks Are Designed For All-Day Comfort. Athletic Socks Are Designed For Performance And Comfort With A Blend Of Cotton And Nylon (Coyote Brown And White Are Made With Cotton And Polyester) Crew Socks Will Stay In Place While You Are On The Move With The Ribbed Top Feature Authorized For Wear With The Army Pt Uniform Made In The U.S.A