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
M***e
L****h
N****y
K**a
Sophia K.
Excellent for training! Not only do my lungs feel stronger, but the dust protection is great too. It’s durable and stays secure, even during intense sessions.
Lucas R.
Love it! The adjustable resistance levels helped me push my limits. The breathability is fantastic, and it’s so lightweight, I almost forget it’s on.
Jack M.
Good fit, boosts my breathing.
Emma P.
mask is a game-changer. My endurance levels have skyrocketed since I started wearing it during workouts. Extremely comfortable, fits perfectly!
Alex M.
This mask really boosts my workouts! The adjustable strap is comfy, and the different resistance levels let me push my limits every run.
Sam K.
Great for running! Feels light and comfy.