distressed jeans vs blue jeans

distressed jeans and blue jeans both are nouns.

Word	Noun	Adjective	Verb	Adverb
distressed jeans	Yes	No	No	No
blue jeans	Yes	No	No	No

As nouns, blue jeans is a hypernym of distressed jeans; that is, blue jeans is a word with a broader meaning than distressed jeans:

distressed jeans: A pair of jean trousers ripped and bleached on purpose or by extended wear.
blue jeans: (used in the plural) close-fitting trousers of heavy denim for manual work or casual wear

Other hypernyms of distressed jeans include denim, jeans.

distressed jeans (noun)	blue jeans (noun)
A pair of jean trousers ripped and bleached on purpose or by extended wear.	(used in the plural) close-fitting trousers of heavy denim for manual work or casual wear