Size Large (9 - 12) Lightweight socks made for cold weather performance, Cabela's Over-The-Calf Polypropylene Liner Socks keep feet warm without the bulk. Made of 100% polypropylene, these tall, low-bulk socks offer higher insulating performance without the thickness required in other cold-weather socks made of synthetic fibers like polyester. These performance fiber socks also offer great moisture-wicking performance and easy care. Non-allergenic. A great choice for use with waterproof/breathable footwear. Machine wash. Imported. Lightweight, tall, and warm liner socks for cold weather adventures High performance polypropylene construction - insulating performance without the thickness Moisture wicking Non-allergenic Great for use with waterproof/breathable footwear 2 pairs