Prepare for crisp evenings and cool mornings in the M Tail Gater crew sock from SmartWool. Casual style customizes to your foots shape. Odor-free design means you can slip off your shoes and relax. Product features include: 90 percent wool, 8 percent nylon, and 2 percent spandex fabrication, Pre-pack of three pair, Supportive arch brace, Odor-resistant, Smooth toe seam.