Re: 12th Doctor Costume?
Again, they're all multiple layers of the same costume. The far right would be the 'standard' with the other two serving as variants in appropriate settings and the scarf being an accessory for any of the 3.
"There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization. If there are such things as angels, I hope that they are organized along the lines of the Maffia." - Winston Niles Rumfoord.