52% Nylon slip-on closure YOU’RE KILLIN’ MY VIBE: I am my vibe and my vibe is me. If my vibe you kill, it’s sorry that you’ll be. 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.