This is the 8213th most frequent Spanish word.
parka
A "parka" is a type of warm, hooded winter jacket.
'Parka' here is the subject of the sentence, emphasizing its functional quality related to its material properties.
Mi parka es resistente al agua, así que puedo usarla bajo la lluvia.
My parka is waterproof, so I can wear it in the rain.
In this context, 'parka' signifies a single, identifiable item of clothing owned by the speaker, used for warmth.
Aunque hace frío, olvidé mi parka en casa.
Although it's cold, I forgot my parka at home.
The word 'parka' is used here as a noun to denote a type of coat designed for outdoor use, specifically in cold and snowy conditions.