A crew neck like this one sits comfortably under sweaters or cardigans.
Men 3D-Muscle Tattoo Print T-Shirt Short Sleeve Digital Printing Shirts-Tops Tee
What I appreciate is the crew neck, which stays crisp even after many washes.
Men 3D-Muscle Tattoo Print T-Shirt Short Sleeve Digital Printing Shirts-Tops Tee
The crew neck here is simple, but it gives the whole shirt a polished look.