With short sleeves, you can layer a vest over it without extra bulk.
Tusk 1979-80 Vintage Tour jersey T-SHIRT Go Your Own Way
A nice touch is the hem on the 3/4 sleeve, which stays put nicely.
Blackfoot 1981 Tour T-SHIRT Vintage FREE SHIP USA Lynyrd Skynyrd
The 3/4 sleeve length helps this t-shirt feel a bit more polished than usual.
Roklahoma 1980 Tee – Retro Rock Jersey Van Halen Doobie Bros Unisex SM-XXL
A nice touch is that the small size has slightly shorter sleeves for a clean look.
the Cars Vintage 1982 Tour T-SHIRT FREE SHIP USA Shake it Up
You will notice the small size allows full arm movement without pulling.