Men's Shoreline Camp socks are made with an extra thick yarn to keep you warm. Ribbed for durability and subtly mismatched they are your new cold-weather friend. Designed in Canada, ethically made in Italy. 90% Egyptian Combed Cotton 8% Nylon 2% Spandex Expertly sewn Rosso Toe Link Yarn blend extending throughout the top cuff for extra durability and comfort Reinforced Heel & Toe Produced using eco-friendly certified Egyptian Combed Cotton* *The yarn used in our socks undergoes a comprehensive, third-party testing and certification system for textile products at all stages of production. Test criteria are updated annually and go far beyond existing legal regulations.