details The performance set consists of our 2 absolute top sellers. The phantom training mask and the phantom training vest. And to start your workout full of motivation, we add our popular performance booster on top of that. Save €94 here in a set compared to the normal retail price! Phantom training mask: The ultimate training device to take your physical condition and performance to the next level. Phantom training vest: A functional, optimized training device that takes your strength and overall performance in sports to the next level. Increase your resistance in training to increase your fitness. Performance booster: For more motivation and power in the workout. Perfect for your home workout, outdoors or even on the go and travel. sized Training mask: 3 sizes - S (100kg <70kg), M (70-100kg), L (>) Training vest: Available in 13 lb (6 kg) or 20 lb (9 kg) Booster: 100 capsules