Adurance High Altitude Training Mask

The Adurance Training Mask lets you achieve the effects of high altitude training by
regulating how much air you breathe in with the 4 Level Air Flow Regulator.
You can then reduce the amount of training time by getting the same results in a shorter
amount of time. You will also increase your lung capacity and will constantly push your
training limits to the fullest!

Adurance High Altitude Training Mask :

Achieve the effects of a High Altitude Workout Efficiency when training, which helps decrease & maximizes your workout time
4-Level Resistance Valve System Trains Breathing Muscles and Improves Overall Performance in any Sport
Increase & Conditions Lung Capacity by Creating Pulmonary Resistance
Simple Usage, Ultra-Lightweight, Anatomically Designed, Non-Slip Training Strap
Strengthens the Diaphragm
One Size Fits Most - From 120 to 230 LBS