Weighted vests are an easy way to turn up the intensity in your workouts. (iStock) Weighted vests seem to be everywhere lately. They’re showing up at the gym, on walking trails, in public parks and all over social media, where plenty of people swear by the added challenge. The idea is simple: add a bit of extra weight to your walk or workout to make your body work harder.  Whether you’re walking, strength training or tackling a HIIT workout, here are some weighted vest options that range from