TRX Training Stability Ball, Balance Ball for Exercise, Workout Ball for Improving Posture and Core Strength, Yoga Ball for Gym, (55 cm)

WHAT’S IN THE BOX: Get ready to make fit happen with a TRX stability large exercise ball. Our ball comes in 2 sizes: 55 cm in diameter (good for heights 5'1"-5'8") and 65 cm in diameter (good for heights 5'8"-6'1"). It ships deflated in the box. BALANCE OUT YOUR TRAINING: There’s nothing like the instant core challenge a gym ball for exercise adds to your routine. Use it to perform basic crunches or to go high-octane with speedy woodchops for sport, rehab, and overall fitness. MULTIFUNCTIONAL FITNESS BALL: Use this exercise ball for working out to improve flexibility and proprioception with strength and coordination exercises like full-body planks, squats, single-leg balancing, and wall ball tosses. PORTABLE WORKOUT BALL: Keep up with your physical fitness while on the go. This strong exercise ball is made from durable anti-slip vinyl that won't pop from heavy use and is easy to deflate and pack. TRX TRAINING CLUB FITNESS APP: Get unlimited access to TRX’s virtual fitness studio, with premier training experiences that include live classes led by world-class trainers 7 days a week and hundreds of self-guided on-demand workouts.