Whoops, I did it again, didn't I? Sorry, could you repeat that just one more time? Woven with luxurious combed Cotton for softness, Nylon for strength and a touch of Spandex for long-lasting fun! 1% of the sale of all Blue Q socks supports the humanitarian work of Doctors Without Borders. 39% Nylon, 58% combed Cotton and 3% Spandex. Men's shoe size 7-12.