51% Cotton/47% Nylon/ 2% Spandex slip-on closure GET THE HELL OUT OF MY KITCHEN: for the chef who wants everyone firmly planted on the other side of the island. VERY BEST QUALITY: Blue Q Socks are woven from soft, luxurious combed cotton, nylon for strength, and spandex for long-lasting fun. ONE SIZE FITS MOST: Fits women’s shoe size 5-10. EASY CARE: Machine wash cold, tumble dry medium heat, do not bleach. GIVE BACK: 1% of the sale of Blue Q socks supports the humanitarian work of Doctors Without Borders/Medecins Sans Frontieres. They’re good people doing great things around the world.