Unisex No Show Performance Socks

Unisex No Show Performance Socks

So any idea as to what the 200 count “yarn” is made of ??
100% poly?? any cotton ??
Kind of hard to buy w/o that info.
Thanks

Not a good deal. Price is cheaper on Amazon.

84% DRYNAMIX POLYESTER, 14% NYLON, 2% ELASTANE