WHY CHOOESE WE MASK?Practice makes perfect. You must need much more practice as well as this Waterproof Mask if you are planning to achieve more efficient workout and improve your overall health and performance in a relatively short period. The mask helps mimic the effects of high altitude from 3,000ft to 18,000ft altitude by the replacement of those pieces included in the package. Its multi-level resistance system induces resisted air flow through valves for controlling limited oxygen into your body, increase of efficiency and save time. Ideal for all serious athletes, pros and amateurs! 6 MODES OF INTENSITY ADJUSTMENT: 1) 3000FT: 4-hole cap with both left and right breathing film open;2) 6000FT: 2-hole cap with both left and right breathing film open;3) 9000FT: 1-hole cap with both left and right breathing film open;4) 12000FT: 4-hole cap with left or right breathing film open;5) 15000FT: 2-hole cap with left or right breathing film open;6) 18000FT: 1-hole cap with left or right breathing film open.BENEFITS & ADVANTAGES:- Conditions the lungs by creating pulmonary resistance, increases lung stamina, lung capacity, surface area and elasticity in alveoli;- Regulates your breathing, increases anaerobic threshold and oxygen efficiency;- Increases energy production;- Increases overall physical stamina & mental stamina and focus;- Decreases workout time and helps your over all performance in all sports and daily living.Size Recommendation:Adult Small: 100-149 lbs.Adult Medium: 150-240 lbs.Adult Large: 250-300 lbs.Flexible and stretchable, 1cm difference among each size.Specification:Material: Waterproof FabricApplicable Gender: Unisex, Men & WomenPackage Size (L x W x H): (18.5*16.5*10.5)cmPackage include:Mask *1 Loophole Caps *4Headband *1 Click"Add To Cart" at the top of the page to get yours!
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