AQUAJOGGER Aqua Jogger Jr. Belts Designed to suspend the body in the water at a shoulder-level position to allow for freedom and security to perform a variety of workouts in deep and shallow water Contoured design with a wider area of foam positioned against and supporting the lower back Narrows as it wraps around the waist for a comfortable fit below the ribs Engages and strengthens the abdominal and lower back muscles Resilient, closed-cell foam that is soft, comfortable and flexible, won't absorb water and is quick drying