You will find that unisex adult sizing like this is a win for matching outfits.
VINTAGE SUPERMAN DELTA PRO WEIGHT XL ETHAN VAN SCIVER ART T-SHIRT
What makes it a men’s shirt is the straight bottom, no curves or dips.
Superman & Amazing Spider-Man T-Shirt – DC/Marvel Comics Crossover – 1970s
The regular fit is a dependable choice for anyone who hates fussy clothing.
SUPERMAN ORIGINAL LOGO T SHIRT BLACK TEE OFFICIAL ITEM 4XL – 5XL
What I notice is that this official item has a smoother texture than replicas.
Justice League Of America “Starburst” T-Shirt – Regular or Tank – to 5X
This shirt has a comfortable round neck that sits just right without riding up.