Coreball 65cm Gym Ball

GYM BALL

Featuring a 65 cm diameter, the Onyx Black PTP CoreBall is recommended for individuals from 165 cm (5 ft 4) up to 185 cm (almost 6 ft 1). Back pain often stems from poor posture, muscle imbalances and weak core engagement. Add this essential piece of equipment to your home gym to build a strong core, foundation to any functional movements. You can also improve your posture by simply using your CoreBall as an alternative to your office chair.