I'm looking for a mat that I can use for cardio that includes a lot of jumping, and I was wondering if the 3/8" Soft Mats would slide during such movements?

Our 3/8" Soft Mats wouldn't move if you are doing straight up and down jumping moves. If there are more intense side-to-side moves in the exercise, then you may get some movement on the mat. For these more intense workouts, we recommend going with a rubber mat instead.