These high quality performance socks are made up of 95% nylon and 5% elastic.  And guess what?  They're made RIGHT HERE in the U.S.A.!  We are currently keeping in stock size Medium & Large.  

Medium fits women's sizes 7-10 and men's sizes 6-9.

Large fits women's sizes 10-13 and men's sizes 9-12.  

Please note: We recommend hand washing this product or putting it through delicate cycle to preserve the fabric and bright color.