ElevationTraining Mask is great because it regulates how much air you can breathe in, making it so that you breath less oxygen, in turn making the air thinner (due to the low oxygen intake it’s similar to altitude training) .
ElevationTraining Mask is great because it regulates how much air you can breathe in, making it so that you breath less oxygen, in turn making the air thinner (due to the low oxygen intake it’s similar to altitude training) .