STRENGTHEN YOUR DIAPHRAGM This training mask allows you to take deeper breathes without breathing in a lot of oxygen, this makes your lungs and intercostal muscles work harder to get the oxygen it needs and therefore strengthening your diaphragm.
DECREASE YOUR WORKOUT TIME when using the FDBRO elevation mask your body won't fatigue as easily because of the lactate levels in your body this allows you to intensify your workout and decrease your training time to have a better-quality workout in a shorter amount of time.
IMPROVE YOUR STAMINA it is scientifically proven that training in high altitudes increases your stamina and athletes have been doing this before competitions for years. As the FDBRO mask simulates high altitude you can now boost your athletic performance!
Perfect subject and comfort is adjusted by above the good header and by behind the neck with two Velcro. It took em get 9 days!!! Ever super fast. The packet was coming nicely closed and nicely protected. Very happy with the purchase, many thanks.
Goods come quickly. Box was dented. The Contents Of The goods intact, except when pulled the mask, left a piece of plastic, disassemble the mask, not found track and the place where this piece was thrown, similar to mount filter inside the mask. The Result Of all intact, I am satisfied, thank you!
I just got it, took 16days to get to me, used it a little, 1 to 3 lvls. of breathing are relatively easy to accommodate to, gradually hardening, but 4 and 5 will wear your lungs out !!
Buy a gift boyfriend and he did not disappointed. Packaging-just fine (in the order to ask seller to pack well), do not wrinkle. Shipping-lightning, seven days, shipped the next day after payment. As during the run-is not checked, then, if not forget, complementing the review. Size M, weight guy about 86 kg, an increase of 188. Replacement filters, wristband, instructions, everything included.