Turtle Neck Silk knit top

Turtle Neck Short Sleeve Red and Black Knit Top ! This is 100% silk and tagged as a medium. Overall it fits true to size, but the head hole is really tight. Once it is on, the neck area doesn't feel tight, but it is hard to get on. Measurements laying flat in inches Pit to pit: 16 Length: 21.5 Head hole (across): 6.5