![]() Pearl Izumi Trail Sock Featuring a blend of 47% Merino wool/22% nylon/17% polyester/14% spandex for an extremely comfortable and effective sock system. Merino wool is super-soft and comfortable. Wool's extraordinary moisture transfer and insulating properties make it an ideal sock material. The nylon component adds durability in high wear toe and heal areas. Unique padding in the sole and Achilles provide additional comfort and protection. |