Vintage fitted polos, with dagger collar, from circa 1960's / 1970's.
 
Left: Vansports
Tag size M
Measurements unstretched (in inches)
Shoulders 15.5"
Pit to pit 17.5"
 
Right: Kelsons
Tag size L
Measurements unstretched (in inches)
Shoulders 16"
Pit to pit 18"
 
Because of the very fitted look, these run small.