Designed for pros, built for everyone. The Pro4 Suspension Trainer™ is extra durable, designed for avid users and fitness professionals. Level up your fitness with our performance-driven strap design tested by athletes and trusted by professional trainers to meet the demands of high-volume training. Its unique and durable design creates every move you’d find in a gym and powers them with your bodyweight to condition you for sport and life—just change the angle to change the challenge.