I love Ecosox bamboo socks! I'm so glad someone asked this question so I can talk about them without people thinking I'm spamming!
They are the softest socks I've ever worn! They are eco-friendly because they're made of bamboo so they are biodegradable and don't require fertilizers to grow and a bunch of other things that I don't remember. Ha!
They don't smell though. That's def a bonus.