I saw this photo on Pinterest:
Here is some gray marle on Ebay: Click on the photos to go to the link.
Then I did a search for some nice lace - I went with the chunkier lace
So all I need now is my TNT pattern and I'm all set.
But while I was looking through Zara I also found these great t-shirts that I could use for inspiration:
In my Ebay travels I also found the shop that I bought my last round of dark gray marle - the fabric is on sale for $2.50 a metre at the moment so I am going to stock up. I'm actually wearing the top I made out of it right now - I wear it one I week and the fabric has held up well.