Darn Tough Hunter Over-the-Calf Extra Cushion Socks Men'sThe Hunter Over The Calf Sock with Extra Cushion is Darn Tough's burliest hunting sock. When it's crazy cold, but you're still going out, this is your sock. Extra heavy terry loop construction protects your entire foot and leg for maximum warmth. Material 79% Merino Wool, 19% Nylon, 2% Lycra?? Spandex Length Over the Calf Height Details Performance Fit: No slipping, no bunching, and no blisters. Fine Gauge Knitting: Unprecedented durability and Darn