Darn Tough Vermont is a sock brand that hails from the US, but is available to buy around the world. As the name rather gives away, the USP here is that they're super-hardwearing, and to that end ...

So, what does a lifetime warranty promise ... The brand explains that while nothing lasts forever, Darn Tough socks are built for durability. If your socks get a hole in them, just ship them ...