Harry, 36, kept it cool with his light gray suit jacket, white button-down and white trousers.
The charity polo tournament was held to raise funds for his African charity, Sentebale. The organization helps sick and vulnerable children affected by AIDs in Africa.
The Duke of Sussex was also there to support his friend and famed Argentinian polo player, Nacho Figueras.
After posing for photos, Harry and Nacho suited up in their polo gear to get ready for the match. The new dad handed his pal a trophy and smiled for the cameras!
The outing was Harry's first night away from Meghan and Archie since their baby was born.
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