This heavy sock is designed to be an over sock, or used with a performance liner for maximum warmth and comfort. With thermal and moisture-wicking properties, this heavy sock is perfect for winter activities... designed to keep your feet warm and dry, even in extremely cold temperatures.

• Merino-Nylon-Spandex blend for moisture wicking properties

• Heavier weight thermal over-sock

• Arch and ankle support reduce sock slippage

• Available in sizes Medium/Large and XL/2XL