CrosshatchMens Heavy Weight Fur Hood 'Parked' Parka Padded Waterproof Winter Coat Jacket

is the hood detachable

I am 5'5" and my chest is 38. Which size will fit me?

I'd like to buy this for my dad for xmas. He's about 5ft 7ins and smallish. I thought about the medium but reading comments they say that the sizing

A few people have said they run a little small,is it best to get 1 size bigger? I'm 6'1 and about 13 stone, XL be about right?