Police are asking for the public’s help in finding a man in connection to a lewd act.

They say the man touched himself inappropriately and exposed his genitals to a 26-year-old woman while riding the C subway train.

It happened on Friday around 8:30 a.m.

He's described as about 30 years old with an athletic build. He was last seen wearing black cargo pants, a graphic tee and a camouflage baseball cap.

Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.