Firefighters Keep Calm and Train Your Rookies - This needs clearing up. I see a lot of people using training/elevation masks thinking they help them in some way. A lot of you
![Amazon.com : High Altitude Mask, Training Workout Mask Men to Improve Lung Capacity, 24 Level Breathing Resistance Fitness Mask to Upgrade Endurance, for All Sport: Running, Cardio, Cycling, Gym, HIIT : Sports Amazon.com : High Altitude Mask, Training Workout Mask Men to Improve Lung Capacity, 24 Level Breathing Resistance Fitness Mask to Upgrade Endurance, for All Sport: Running, Cardio, Cycling, Gym, HIIT : Sports](https://m.media-amazon.com/images/I/71gfC4i5saL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : High Altitude Mask, Training Workout Mask Men to Improve Lung Capacity, 24 Level Breathing Resistance Fitness Mask to Upgrade Endurance, for All Sport: Running, Cardio, Cycling, Gym, HIIT : Sports
![Amazon.com : TRAININGMASK - Workout Training Mask 3.0 with Spray Clean | Breathable Cardio Training Mask for Running, Cycling, and Exercise, Black Mask, Small : Sports & Outdoors Amazon.com : TRAININGMASK - Workout Training Mask 3.0 with Spray Clean | Breathable Cardio Training Mask for Running, Cycling, and Exercise, Black Mask, Small : Sports & Outdoors](https://m.media-amazon.com/images/I/81fP7rmD-YL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : TRAININGMASK - Workout Training Mask 3.0 with Spray Clean | Breathable Cardio Training Mask for Running, Cycling, and Exercise, Black Mask, Small : Sports & Outdoors
![Muscular young fitness sports man in training mask. Workout with dumbbell in fitness gym. Copy space for fitness nutrition ads. Stock Photo | Adobe Stock Muscular young fitness sports man in training mask. Workout with dumbbell in fitness gym. Copy space for fitness nutrition ads. Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/02/10/04/63/1000_F_210046393_3ylk8BlitmWoFq3IGydFqBeugferOwLH.jpg)