We do not necessarily have to put our clothes in the washer just right after taking them off. In fact, we can re-wear some for as many as 7 times before washing.

Find below a list of how many times you can wear your clothes (depending on material of course) before washing.

Anything white or silk: After every wear
Bras: After three to four wears
Trousers and skirts: After five to seven wears
Parkas and vests: Two times a season
Jackets and sweatshirts: After six to seven wears
Hats, gloves and scarves: Three to five times a season
Hosiery: After every wear
Jackets and blazers: After five to six wears
T-shirts, tanks and camisoles: After every wear

... You can check for others on wandepalmers.com


source: Wandepalmers.com

it should be how,where & what it was worn for.
what u wash after seven wears in USA might be washed after just a wear in lagos nigeria

Chai I no fit repeat cloth for dis kind nija weather....

SANDOSKI:
Chai I no fit repeat cloth for dis kind nija weather....

I fit d help you wash your cloths I be dry cleaner.

Well it depends bro...you can't place a finger on it....

The activities you did while wearing em
The type of cloth (silk,wool,leather.....etc)
Place you visited while wearing em
The weather around there too..........

To be on the safe side....twice max...

I think where you wore it to, what did you while wearing it and the cloth's color are what we determine how many times you can wear it before washing.