Product Details + Long, tall, luxurious and warm! You will love the soft gentle way these OTK socks hug your legs. Available in two widths: regular width calf (<13 3/4") and wide calf (>15 1/2"). Patented flat lock seams mean no seam allowance for a smooth and comfortable look and feel. Wear them tall--covering your knees--or wear them slouchy. Wash cold or warm. Dryer safe.