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
Emily T.
Works well but took some getting used to. Still very useful for training.
David R.
Comfortable fit and really elevates my training sessions. Significant improvement in my endurance.
Sarah L.
Great quality and very effective for improving my workouts. Worth every penny.
Alex M.
Amazing product! Boosted my stamina noticeably. Highly recommend.
Alex P.
Incredible mask for cardio training!
Jamie D.
This endurance mask has really enhanced my stamina during workouts. The adjustable resistance levels are a game-changer. Highly recommend for serious athletes!
Chris M.
Works well, but the straps could be more comfortable.
R****e
Cool training aid. Can control how hard you have to work for air. Very helpful! Seems to help you improve your breathing! Thanks!
B*b
Easy to use & the breathing technique gets better with use. It’s a great fit with a great feel.
A**m
The ability to select the breathing restriction is a valuable addition to this mask. Helps make the lungs stronger!????????