16 Levels Workout Mask | Sports Running Mask Training Workout Mask Jogging Fitness Increase Breathing Elevation Exercise Air High Altitude Oxygen Resistance Endurance Biking Run Face Men Women (ll)

Want to extend your stamina when training? Want to burn more calories when running? Want to increase your lung capacity? Look no further and get this breathing mask now! This running mask help controlling your breathe and decreases the oxygen intake. What happens when limiting the oxygen inhaled is that your lung will work harder and oxygenate more blood, which will increase blood circulations, improve your physical strength, and increase lung's capacity. Unlike a lot of other training masks, this training mask is simple to use. Air resistance mode can be switched effortlessly by pushing the lever from left to right. Moreover, the face side of this altitude mask is made with silicone which is ultra soft and comfortable! What are you waiting for? Press "ADD TO CART" now! 100% satisfaction gurantee, with 30 a day return policy not questions asked!

**Warnings** Do NOT use this air restriction mask when sleeping or you are allergic to silicone. If you have any known illness such as asthma, lung disease, heart disease, thromosis, and respiratory disease, consult your doctor for consent before use. In case of dizziness, headache, or health issues, stop using this Endurance mask immediately. Use this mask at your own risk. 

What's Included:
1 x air restriction mask