This is nothing unusual really. He rarely wears a mask.
According to the White House press pool, Biden walked out of the shop at 4:45 p.m. with his mask down and drinking what appeared to be a milkshake.
The president ignored a question on what more needs to be done to stop the rising omicron variant as he walked down the street to another store.
Nantucket, where Biden is spending his Thanksgiving holiday, re-instituted an indoor mask mandate earlier this month.
Biden has been criticized several times for not following local mask mandates while urging Americans to wear a mask including at an upscale Washington, D.C. restaurant in October where he was spotted walking through the eatery without a mask.
In November, Biden was seen mingling with members of the public without a mask before putting it on for a photo-op.