Why are so many white shirts see-through?

A sheer white shirt with a star print.
Sheer white shirt from Equipment. Image from Bloomingdale’s

When I googled this question to see if any answers were out there, I found no answers. Instead I got results like:

– How to find a non-see-through white shirt

– What to wear under a white shirt; and even

– How to wear a sheer shirt, advising you wear a contrasting colored bra under a sheer white shirt.

I guess this is the reason I once saw a woman in a professional office wearing a white t-shirt over a bright purple bra :/

But what about the actual question–why are white shirts so sheer? Why is it so dang hard to find white shirts that aren’t see-through? Especially when the white shirt is mentioned on every style essential list out there.

There’s actually a pretty simple reason why most white shirts are so sheer, even if the exact same style of the shirt in a different color is opaque. To learn why, let’s quickly go over how fabric is made and dyed for a shirt.

Read moreWhy are so many white shirts see-through?