The regular fit here is all about giving you a familiar, trusted feel.
Comfort Color-Custom Personalized T Shirt Print Your Logo Photo Text
I love that this tee is solid, because it never clashes with patterned pants.
Carhartt Shirt Mens LT Orange Force Hi Vis Reflective Safety Workwear Tee
A nice touch is the orange stitching on the collar, matching the main fabric.
Hustle Gang Hi-Vis Yellow T-Shirt 3XL 100% Cotton Excellent+
You will find that the fit accommodates men with broader backs easily.
TSA Hi Viz Shirt Mens 6XL Yellow Long Sleeve Pocket Tee Casual Class 1 2 NWT
A crew neck like this one frames the neck without adding bulk or weight.