unisex anytime ankle sock natural blackDesigned to keep you comfortable for workouts, work, or WFH. Theyre breathable, and extra durable for the long haul. Best For: Everyday wear, working up a sweat, and pairing with your Allbirds Materials: 35% Recycled Nylon, 36% TENCEL Lyocell, 24% Organic Cotton, 3% Nylon, 2% Spandex Where its Made: USA Newer models of the Blizzard and Natural Black colors may be solid colored and not include the marigold arch band as pictured.