Smart wool have long gone down in top quality IMO the last couple of decades. I've needed to return 2 pair and a third I just didn't mess with. "The socks provide a cosy and comfortable fit without staying also tight or free. They are really compressive without being constrictive."— https://socialimarketing.com/story4332737/the-single-best-strategy-to-use-for-compression-socks-cotton