So glad I stumbled onto these!!!  My husband is a 13 and we can never find socks (that aren't $6 a pair) for him.  He is particular and will only wear certain ones (black, no shows).  He is also a mechanic and goes through socks like crazy!  -Probably because we end up getting him size 12 socks instead when we get frustrated and because they aren't the right size, they don't last too long....  Thank you Amazon for helping me find these!  They are great quality and my hubby has given them his grunt of approval.