For vintage urban fashion, some of the best keywords would be:

1. "Retro streetwear"

This term combines the vintage aspect with the urban street style, perfectly capturing the essence of vintage urban fashion.

2. "Old school hip-hop style"

This phrase evokes the classic urban looks from the early days of hip-hop culture, which are often sought after in vintage urban fashion.

3. "Throwback urban apparel"

"Throwback" is a popular term for vintage-inspired items, and pairing it with "urban apparel" specifies the style category.

4. "Vintage sportswear"

Many urban fashion trends have roots in sportswear, so this term can be very relevant.

5. "90s urban fashion"

The 90s are incredibly popular in current vintage urban trends, making this a highly effective keyword.

6. "Classic streetwear"

This term suggests timeless urban styles that have stood the test of time.

7. "Upcycled urban wear"

This keyword taps into both the vintage and sustainability trends in fashion.

8. "Nostalgic city style"

This evokes the emotional connection people often have with vintage fashion while specifying the urban context.

These keywords effectively combine the concepts of "vintage" and "urban" in ways that resonate with fashion-conscious consumers looking for retro-inspired city styles.