Weighted vests have exploded in popularity, and it’s not just your favorite personal trainer or Hyrox fanatic showing them off on TikTok and Instagram—everyone from runners to weekend warriors is strapping on extra pounds for their daily grind. The appeal? Weighted vests offer a simple, effective way to turn tons of activities into a muscle-building event, all without a home gym or a pile of dumbbells. As a fitness editor who’s spent years testing gear (and sweating through plenty of vests), I can confirm: the right weighted vest can change the way you move, train, and recover. Weighted vests are popping all over social media for a reason. Weighted training has become a core tactic for trainers, influencers, and competitive fitness athletes, who claim it leads to better endurance, stronger bones, improved posture, and a serious metabolic boost.…