Choosing the right sock material can make a significant difference in comfort, support, and durability. Natural fibers such as cotton, wool, and bamboo offer excellent breathability and insulation, but may not be suitable for high-performance activities. Synthetic fibers like nylon, polyester, and spandex provide elasticity and moisture-wicking properties, but may pill or lose shape over time. Blended fibers like merino wool-nylon and polyester-cotton offer a balance of comfort and durability. The best sock material for your feet is one that balances performance, comfort, and sustainability.