anorak
an·o·rak
/ˈænəˌræk/ noun , pl -raks [ count ]
1 : a jacket that has a hood and that is long enough to cover your hips
◇ An anorak is usually worn to protect against wind and rain.
2 Brit, informal + disapproving : a person who is extremely interested in something that other people find boring
political anoraks