Ideal for all serious athletes, pros and amatuers. Suitable for all athletics including boxing, mma, karate, kickboxing, jiu-jitsu, cardio training, wrestling, cross-training, running, sprinting and overall health improvement.
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The Extreme Training mask simulates high altitude training. It works by depleting the oxygen intake forcing your body to acclimatize to work harder with less oxygen in your blood system. It also increases your lung capacity and diaphragm strength.