What I like is the XS to 4XL size run—it covers a lot of ground.
A4 N3402 Sprint
This crew neckline is a nice touch because it works with chains or necklaces.
A4 Mens 100% 3.5oz Polyester Sprint Performance T-Shirt – N3402
A nice touch with this shirt is that it’s available from XS to 4XL, no fuss.
A4 N3402 Men’s 100% Polyester Training T Shirt Sprint Performance T-Shirt
A nice detail in the 2XL is the slightly dropped shoulder seam for a casual look.