Are Carhartt socks warm?

Carhartt socks are known for their durability and toughness, but are they warm enough for cold weather? Many customers swear by them, claiming they keep their feet toasty even in the harshest conditions. However, others have found them to be less effective in extreme cold. So, are Carhartt socks warm? The answer may depend on your personal preferences and the climate you're in.