unisex anytime crew sock medium greyLight, breathable and made to move and groove without budging. These are socks youll never want to take off. Best For: Everyday wear, working up a sweat, and pairing with your Allbirds Materials: 30% Recycled Nylon, 33% TENCEL Lyocell, 22% Organic Cotton, 11% Nylon, 4% 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.