Browning Hosiery Men's Tall Merino Wool Boot Sock, 2 Pair Pack (Olive, X-Large) Foot: 90% Merino Wool, 10% Nylon; Leg: 60% Acrylic, 20% Merino Wool, 17% Nylon, 3% Spandex Great for rubber boots; 17 inch leg length; Arch support for added fit Full cushion foot and leg; Flat toe seam; Itch-free merino wool foot Machine wash warm, tumble dry low, no bleach Made in USA