Product Description : Darn Tough (Style 1480) Men'S The Standard Lifestyle Sock - Black, Large Custom Shrink Treated Wool. Wide Ribbed Leg With Mid-Calf Height. Jersey Knit For Light, Non-Cushion Feel And Dress Shoe Fit. Reinforced Heel And Toe. Elastic Support Around The Arch. California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.