Police are investigating a theft and assault at a shop in South Wharf earlier this month.
It is understood two offenders entered a store in a shopping centre on Convention Centre Place about 3.30pm on 5 March.
Officers were told they briefly left, stood outside for two minutes, then returned and asked to try on puffer jackets.
A short time later, the two offenders left the store with the jackets, worth around $550 each.
One of the offenders assaulted a female staff member on the way out, pushing her to the floor.
She was taken to hospital with minor injuries.
The offenders ran from the scene.
Investigators have released CCTV of two men they believe may be able to assist with their enquiries.
One man is described as being of medium build, in his early 20s with short black hair and a full beard.
He was wearing a black puffer jacket, black sweatpants and black runners.
The other man, also believed to be in his early 20's, is described as having short black hair with a rat's tail.
He was wearing a black puffer jacket and black sweatpants.
Anyone who witnessed the incident, has footage or information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au
