A nice touch is the collared neckline that works with both jeans and slacks.
Hi Viz Sleeveless T-Shirt V-Neck Sleeveless Safety Security Work Wear Top UIK
I like that the striped pattern is reversible on some colorways of this shirt.
GSS Safety Shirt Mens Large Yellow Hi Vis Reflective Pocket Workwear Tee Top
A nice touch is the yellow that looks even better in natural light.
Carhartt Shirt Mens LT Yellow Hi Vis Reflective Pocket Safety Workwear Tee
This tee offers a yellow that feels both classic and fresh.
Carhartt Shirt Mens LT Yellow Hi Vis Reflective Pocket Safety Work Tee Top
A nice touch is the yellow that looks great with white or gray layers.