LaCoste Effect
When white kids who used to be cool in Abercrombie all jump ship to LaCoste because they think it makes them look more important.
He stopped talking to me when I wore Abercrombie and he wore LaCoste.
She got a new group of friends because she wore LaCoste and I wore Abercrombie.
My brother got in a fight because he said LaCoste was better than Abercrombie.