Chiefs hooker Liam Polwart is retiring from rugby due to concussion.

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The 24-year-old said he decided not to play Super Rugby next season to preserve his long-term health.

"It has been a difficult decision to make to leave the game I love. It has provided me with plenty of great friendships and some awesome experiences. I have had some on-going issues with concussion, and while I am currently symptom free, I chosen to hang up my boots and not to put myself at further risk.

"I am grateful for the opportunities rugby has provided me and the support I have received. Now it is time to start a new chapter."

The Chiefs forwards Coach Neil Barnes said Polwart should be commended for his "brave" call.

"Liam is a fantastic individual, he is a talented player and can be proud of his achievements in his short yet prosperous career. It is a testament to his character to have chosen to make this decision for his own well-being and we applaud him for being so courageous. We wish him all the best for the future and hope he will return to the game and inspire a future generation."

Polwart played 26 games for the Chiefs and 15 Mitre 10 Cup games for Bay of Plenty.

The former New Zealand Under 20's representative debuted for the Chiefs against the Waratahs at Waikato Stadium in 2017 and debuted for Bay of Plenty the previous season.