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 Fabric
Applicable Gender: Unisex, Men & Women
Package Size (L x W x H): (18.5*16.5*10.5)cm
Package include:Mask *1
Loophole Caps *4
Headband *1

Click"Add To Cart" at the top of the page to get yours!

• 6 MODES OF INTENSITY ADJUSTMENT: 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.
• PHYSICAL & METAL ENHANCEMENT: 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.
• DOUBLE YOUR WORKOUT EFFICIENCY: Decreases workout time and helps your over all performance in all sports and daily living, increase of efficiency and save time. Ultimate respiratory practice device for all serious athletes, pros and amateurs.
• WATERPROOF, SOFT & COMFORTABLE TO WEAR: Adopts waterproof, sweat-absorbent, no squeeze ,soft yet durable materials to deliver ultra wearing comfort & high flexibility and comes with 3 sizes for your free selection.
• MONEY BACK GUARANTEE: We think you're going to love this mask as much as we do! But in case you don't, you are covered by our 30 day, no questions asked, please contact us, money back guarantee. We want our customers to be 100% happy.

6 MODES OF INTENSITY ADJUSTMENT: 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.Ankioo