Police are appealing for witnesses following a reported indecent exposure incident in Wilton Park, Batley.
The offence took place at around 11am on Thursday June 19 in the Bradford Road park while the victim, a 31-year-old woman, was walking her dogs alone in the wooded area.
The man involved is described as a white, aged 25-30, around 5ft 10ins tall, of average build with short, brown hair.
He was wearing black tracksuit bottoms with some pink at the calf area and a dark T-shirt.
PC Louise Hurst, of the Batley Neighbourhood Policing Team, said: “I would urge anyone else who was in the park area who believes they may have seen this man or anyone with information about the man’s identity to call Batley NPT on 101.”