Since Olefin (polypropylene) is much cheaper and
works as well, you don't now. I mentioned it because if you read the old
literature silk socks and underwear were very popular.
I do have a set of silk long underwear that I
purchased surplus. It had originally been made for the E. German
Army.
Ed
Ed & Wendy Hauser 2994 Mittower
Road Victor, MT 59875
