Unlock your full potential. Take your respiratory training to the next level.
Threo Cardio Endurance Mask increases lung capacity and oxygen efficiency during exercise. Our unique resistance system challenges your lungs and airways so that you can train harder and longer. The adjustable strap ensures a secure and comfortable fit, making it suitable for various sports and fitness activities.
Six resistance levels — progressively challenge your respiratory system for better athletic performance.
Threo mask protects from dust particles. Breathe in the fresh air and instantly boost your energy.
Enjoy the full range of motion. Concentrate on your sports performance without distractions or discomfort.