etmask

 

Planning to climb a mountain anytime soon? It’s dangerous to venture into high altitudes unprepared, so you need to train your lungs just as you would train your arms and legs. The Elevation Training Mask mimics the conditions of high altitude oxygen levels. It increases lung capacity, stamina and strengthens your diaphragm. This type of training isn’t just for mountain climbers; athletes that travel from low altitude cities to high ones like Denver will experience increased fatigue. The mask might also be helpful for smokers to regain some lung capacity, although that may just make them more efficient at smoking. $80. amazon.com

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