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.
Active lifestyle
Enhanced breathing
Fit improvement
Adjustable intensity
Six resistance levels — progressively challenge your respiratory system for better athletic performance.


Dust protection
Threo mask protects from dust particles. Breathe in the fresh air and instantly boost your energy.
Lightweight
Enjoy the full range of motion. Concentrate on your sports performance without distractions or discomfort.

More reasons to love Threo mask
Jamie S.
Since I started using this training mask, my stamina has improved and my breathing technique during cardio sessions has become much more efficient. Great purchase!
Jordan F.
Excellent for intense workouts, truly improves endurance levels.
Casey C.
I was genuinely surprised by how effective this mask is. It heightened my workout intensity and helped improve my breathing efficiency.
John
Amazing product, easy to use, great results.
Alice
Game changer for my workouts! Improved endurance and breathing.
Mia
Boosts performance significantly.
Tom
Great mask, though fitting could be slightly better. Still very helpful!
Jordan
Good mask for training endurance. Could use more adjustable straps for comfort.
Alex
Excellent tool for enhancing performance. Noticeable endurance improvement!
Luis T.
Incredible results – enhances respiratory strength!