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