Product Description: Product Description: SKLZ Weighted Vest. Add variable resistance to your training regimen without compromising your form or technique. The Weighted Vest distributes weight (up to 10 lbs) evenly for maximum comfort and features flexible weights that bend with movement. The vest is constructed with reinforced nylon mesh for breathability. Materials: Iron Sand, Polyester. Dimensions: 13.25"L x 4"W x 8"H; 11.75 lbs From the Manufacturer SKLZ Weighted Vest Add variable resistance to your training regimen without compromising your form or technique. The Weighted Vest distributes weight (up to 10 lbs) evenly for maximum comfort and features flexible weights that bend with movement. The vest is constructed with reinforced nylon mesh for breathability. Wear the weighted vest to add increased resistance to various exercises: Push-ups Chin-ups Pull-ups Lunges Features Soft bound edges for extra comfort Overlapping straps keep vest secure Velcro belt adjusts to fit most athletes Stretch pockets allow for quick removal/addition of weights Includes (20) 0.5 lb flexible weights- 10 lbs total About SKLZ SKLZ is committed to elevating the athlete in each of us by guiding and serving athletes on their journeys to be their personal best. As the flagship brand of Pro Performance Sports, based in San Diego California, SKLZ develops innovative athletic performance and skill development training products, technology and knowledge for serious athletes of all ages, skill levels and sports including baseball, football, soccer, golf, softball and basketball. SKLZ is known around the world for delivering durable, high-performance training products used by professional and amateur athletes as well as their coaches and trainers seeking to improve on a sport-specific skill or a performance-focused goal such as speed, agility, balance or core strength.