Need a sock to make you smile? Lighten your mood and bring a ray of sunshine into your shoes with these sunny yellow socks knit with an eye-catching pattern of yellow, white and gray. Northern Sun socks are mismatched with care by Solmate Socks and made from recycled yarn so they're even more eco-friendly. 62% cotton, 22% polyester, 15% nylon, 1% lycra. Made in the USA from recycled cotton yarn.