I got these for my husband to wear at work in his steel-toe boots. He goes through about 4 pair+ of work boots per year, so you can imagine the workout the socks get inside there. I was tired of constantly having to buy more socks for him so I thought I would splurge on some more $$ ones. I am so glad I found these! I didn't realize how long it had been until I looked at the top of the page which said I had purchased this product in June of 2011 - a full 18 months ago! I am sold on these and I hope to keep finding them as I need them! It's worth what you pay for them.