russet coat
/ˌrʌsɪt ˈkəʊt/noun
1A coat of russet cloth or colour, typically worn by a humble or rustic person.
2A country person, a peasant; a homely or unsophisticated person. Now rare.
3A russet apple. Also: the skin of such an apple; the covering of russet on the skin of an apple or pear.
Origin
Late Middle English; earliest use found in Arthur. From russet + coat.