heavy jacket in Polish:

1. gruba kurtka

Polish word "heavy jacket"(gruba kurtka) occurs in sets:

Moje zimowe wakacje (słownictwo A)
4.5. My winter holiday
My winter holidays

2. ciężka kurtka

Polish word "heavy jacket"(ciężka kurtka) occurs in sets:

Repetytorium 4: My winter holidays PL/EN
Repetytorium 4: My winter holidays EN/PL