Valerie Bertinelli appeared on Oprah and attributed much of her weight loss success to diet and exercise using what she called her “miracle vest” or “walk vest”. The SPRI Weighted Vest can help you lose the unwanted pounds safely and effectively. The SPRI Weighted Vest maximizes your current fitness program by simultaneously strengthening your core muscles, improving spinal bone density, and maximizing your workout with the added weight. Here is what others have to say about the SPRI Weighted Vest. "The Weighted Walk Vest is a Must Have Fitness Product" Women's Health & Fitness Magazine / Shape Magazine "Allegro Medical Presents the Most Innovative Fitness Product" SGMA International - The Super Show "The Weight Vest is the Best Fitness Product of 2005" Muscle and Fitness Magazine The SPRI Weighted Vest maximizes your activities or current fitness program But that's not all, the SPRI Weighted Vest also strengthens your core muscles and improves spinal bone density. In numerous research studies, where a weight vest was used, significant data has been produced to indicate that the weight vest improved spinal bone density. This is great news to 9.4 million women in the US suffering from osteoporosis. For those who have tried it all, they can agree that the SPRI Weighted Vest is the answer. The SPRI Weighted Vest: This 20lb weight adjustable conditioning vest is perfect for adding resistance to your workout. Made of hand washable nylon, with a sweat resistant lining, it adjusts at the shoulders and waist to comfortably fit most adults. Reflective safety strips and twenty 1lb weights are included.