Mascarilla deportiva de alta montaña para correr, fitness, entrenamiento, ciclismo, color negro, 2.0

Scientific design

• Ergonomically designed to fit the contours of the face, it is comfortable and stable to wear, and is not easy to slip off even during strenuous exercise.
  

• The unique respiratory valve system ensures smooth air flow while effectively regulating breathing resistance to simulate training environments at different altitudes.

Powerful Function

• Enhances the strength and endurance of the respiratory muscles by increasing the breathing resistance and forcing your body to breathe harder.
  

• Helps to improve cardiorespiratory fitness, increase oxygen intake and enhance athletic performance and endurance levels.

Excellent material

• Made of high quality and environmentally friendly materials, non-toxic and odourless, safe and reliable.
  

• With good breathability and moisture absorption, it can keep your face dry and comfortable, even if you wear it for a long time, you will not feel stuffy.

Fashionable Appearance

• The design is simple and fashionable, with a variety of colours available to meet the individual needs of different users.
  

• Whether you are running, working out, cycling or other sports, it will make you the centre of attention on the field.

How to use

1. Select the appropriate mask model according to your facial dimensions.
   

2. Wear the mask correctly on your face and adjust the tightness to ensure a comfortable fit.
   

3. During exercise, gradually adapt to the changes in breathing resistance and adjust the intensity of exercise according to your condition.
   

4. After use, wash the mask in time to keep it clean and hygienic for the next use.