Just by the fact that the Western wears are becoming dominant in the country. I come from Nigeria, because of the comforts that it comes with and the fact that you can still cover our bodies efficiently. It becomes more popular and starts to gain order of the day.
But even as a we go about our daily businesses, wearing modern attires to some very highly reputable traditional events might look like disrespect and forgetting one's heritage, it wouldn't look proper to appear in a casual attire, Culture is people's way of life and it reflects in our way of life.
From special dishes to different modes of dressing, you can tell where a person comes from by what he or she wears.
This is the Popular Nigerian Attire called "Senator" I wouldn't even know the reason behind calling it a Senator, since that's a popular position in the Political space.
It's the attire worn by Nigerian men for different occasions, like Weddings, Burials, and other traditional functions.