Why can a suit stop bullets when killing 4?

This suit is a bulletproof vest. In "Rush to Kill 4", in the RT battle of Osaka Hotel, both the villain wearing a white suit and Mr. Wake can use the modified suit as a bulletproof vest. Fast Chasing 4 is an action thriller, directed by Chad Stasky and starring keanu reeves, Bill Skarsgard and Donnie Yen. It tells the story that killer john wick found a way to beat the high table club and continued to fight it. It was released in the United States on March 24, 2023.