Running Fitness Mask 6 Inhaling Resistance Levels 6 Gears Adjustable For Exercise Training Oxygen High Altitude -Black

Highlights

Adopting premium materials such as medical silicone and resilient breathable fabric. Anatomical cuts that fit perfectly during your training with a non-slip sleeve.

The Sports Mask allows you to control the inhaling resistance level by limiting your air supply. There are 6 levels-From Beginner, Advanced and Professional to Extreme, which can be easily adjusted and switched during your training, without taking off the mask.

Increasing the resistance will force your body to work harder to get air into your lungs, which will train your breathing muscles and helps you to get stronger, fitter and faster in various types of sports.

Note:

1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid.

2. The colors may have different as the difference display, please understand.

Specification