US Size: Men's shoe size 8 to 13, One size fits most men. Blow pop, take a bite out of this sour apple and get swept up in the sweet Charms two socks at a time. Made from premium cotton, these socks are super soft and lightweight, allowing your feet to breathe and stay cool during strenuous activity. Not too tight and hold up well, fine toe seam reduces rubbing and gives extra comfort. See Details tab for more info.