Here Comes Cool Dad Socks: What are they? They’re crew socks designed specifically for the cool dad! About the product They’re made from 50% combed cotton, 48% nylon, & 2% spandex. They fit UK sizes 7 to 12. Why you should buy them Buy them because you think your dad’s pretty cool. &, even if you don’t… he does. So, order these Here Comes Cool Dad Men’s Socks now!