Secure fit and low back support - The swim belt features a soft, wavy structure that hugs the body for a snug fit and comfortable lower back support in the water. Durable, water friendly material - Made of closed cell foam for extended pool use. - Quick drying, chlorine resistant, and resistant to water absorption. Floating training aid for better form - Provides buoyancy and helps maintain vertical balance and neutral buoyancy during workouts. - Supports efficient water training for water aerobics, water jogging, and deep water fitness classes. Essential water companion for productive workouts - Enhances buoyancy and support to help you focus on your fitness goals. - Important safety note: this belt is not a replacement for a rescue device. Use scenarios - Water aerobics: maintain stable posture and reduce lower back strain while performing movements. - Deep water jogging: stay upright with consistent form and reduced effort in deep water. - Deep water fitness classes: sustain buoyancy and stability during a range of movements for a more effective session.