John ChristianMen's Bonded Fleece Robe, Blue Check

Is the sherpa lining throughout the entire robe? Does it run true to size such as a 42 size suit jacket would be a Large robe?

My husband is a small. Is a medium going to be too big or do they run small?

I see the robe is a cotton exterior with a sherpa lining. What is the fabric content of the cotton & sherpa?

is the inside fully lined with sherpa? or is the sherpa just used as trim on the shawl collar and cuffs?