Wingman Multi-Sport Removes the childs fear of injury from falling off of the sporting equipment Parental back pain significantly reduced or eliminated thanks to upright posture during training Pediatrician, Family Practice, Emergency Medicine, Sports Medicine physician and Athletic Trainer recommended Single harness is adjustable for ages 3-10 years of age up to 88 lbs. Safety harness level of construction, vertical ergonomic handle, and wide webbing ensure comfortable fit and safety The Wingman Multi-Sport is ideally suited for individual sports such as biking, skate boarding, roller skating, in-line skating, ice skating, and skiing.