Word of caution on the Pike Brothers Ts. I wound up dumping mine. The boat neck or whatever it is called is ridiculous. It looked very weird on me with chest hair fluffing out of the neck.
View attachment 268546 I read this thread out of curiosity, and my undershirts may be a reasonable idea. They seem to be shorter than other undershirts in the sleeves. They are Gildan brand and while a bit more than other name brand type under shirts like Hanes, I find the slight extra cost is worth it. They have held up better. I really don't like taking photos in the bathroom, but as I have no other good mirror at the moment, here is a photo of me wearing one. I wear a small size.