Verified Buyer Reviewed by Yooper from Michigan on Friday, November 18, 2016
These do not have any visible flaws that I have found - unlike some other brands' 2nds. I bought these to use as liner socks when backpacking / hiking. I don't like synthetic liners since they are slippery and get stinky - wool does not. I have found if I can change my liner socks every couple of hours, then I can prevent a lot of blisters.