> The clo is more commonly used than the tog, Really? Everyone I know has a duvet and they all know its tog rating. Never heard of clo. Perhaps he or she re

> The clo is more commonly used than the tog, Really? Everyone I know has a duvet and they all know its tog rating. Never heard of clo. Perhaps he or she really meant to say "more commonly used in the US" or "more commonly used by people I know".