Adurance High Altitude Training Mask for Men and Women

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! Features: Adurance training mask challenges you to have a better workout and improve your overall stamina Helps to expand and improve your lung capacity We designed this oxygen mask with sturdy, breathable elastic straps so it’s comfortable to wear during your exercise routine 4 Levels to adjust your breathing mask so you can make your workout more intense One size fits most – from 120 to 230 lbs