Cushee Socks are Ethically sourced, ethically crafted and environmentally friendly American Made for 40 years of Old School Quality for the Modern day. No perfumes, dies or softeners used in finishing. Ideal for tennis or other high impact sports, or for general use when extra cushion is desired. The socks are knit with Hi-bulk acrylic yarn and use Hi-splice cotton yarn combination for superior moisture wicking. The tops are welted so the top will not unravel and will add to long life for the socks. This style is made in three sizes: Medium, Large and Extra Large.