Police are investigating an indecent exposure incident which happened in Westbury.
It took place around 9.50am on Monday 4 September in an alleyway that runs to the rear of Abbotts Court towards Grassacres Park.
The male exposed himself before running away from the scene.
He is described as around 5ft 8ins tall of slim build, aged around 17 years old, dressed in black trousers and a black hooded jumper with the hood hiding his face.
A spokesperson for Wiltshire Police said: “Officers have been carrying out CCTV and house to house enquiries since the incident which left the woman shaken and shocked.
“If you saw what happened or can help with our enquiries, please contact us on 101 quoting reference number 54230093059.”