WEIGHTED VEST PLATES FOR PROGRESSIVE OVERLOAD 4 pair weight options: 5.51, 8.81, 15.43 & 20.94 LB. Start light and increase resistance as fitness improves. Designed for functional fitness WODs, hero WOD training, rucking, and cardio to maximize calorie burn. STABLE & ERGONOMIC FIT Flat profile weight plates sit flush against your body without shifting, bouncing, or digging in. Supports full freedom of motion through running, jumping, burpees, pull-ups, and push-ups with no distractions every rep.