Reddit mentions of Doublju Men Simple Designed Button Down Shirts NAVY,XL

I don't think a guy can have too many undershirts. I also found a lot from Doublju. A brand worth checking out if you don't like any of those. Also, you can never go wrong with RVCA, they're super soft! And then a couple more random brand names that I found. I hope it helps!! Naptown :)

Edit: Eh, I mis-linked a RVCA shirt, sorry...that brand in general though.