Merino wool is soft, resists odor, insulates, doesn't shrink or itch Cushioned sole Elasticized arch for a great fit Elasticized arch for a great fit Crafted with the utmost attention to detail, these socks blend the finest materials with cutting-edge design to ensure optimal performance and soothing comfort. The star of the show is the luxurious Merino wool, a natural fiber celebrated for its exceptional softness, moisture-wicking properties, and temperature regulation. No matter the weather, your feet will stay cozy in the cold and cool in the heat, making every step a pleasure.