You will find that this relaxed fit keeps its structure even after many washes.
CAT Caterpillar Men’s Relaxed Fit T Shirt, Color Gray, Size Medium, Durable. 
This T-shirt is a solid piece, meaning it’s a reliable choice every time.
Dickies FLEX Relaxed Fit Button Short Sleeve Work Shirt Men’s Small Dark Navy
You will find that the relaxed fit handles daily adventures with ease.
Licensed Men’s Moto Relaxed Fit Short Sleeve Graphic Tee
What I appreciate is the softness that doesn’t fade, a win for men.
Carhartt Pocket T-Shirt Relaxed Fit Mens Size M 103296-100 Short Sleeve White
A nice touch with the relaxed fit is the straight hem that stays put.