Vikingstrength New 24 Levels Workout Mask for Running Biking MMA Endurance with Adjustable Resistance, High Altitude Elevation Mask for Air Resistance Training (Improved Design), Black

✅ AWAKE YOUR VIKING AND CONQUER YOUR WAY TO VICTORY: Scandinavians are known for high physical stamina and endurance due to the high mountain environment. Vikingstrength are now bringing these mountains to you! Experience high altitude training and the extreme results it brings with it anywhere! Awake your viking and discover your champion!
✅ DECREASE YOUR WORKOUT TIME DRAMATICALLY: Less oxygen, harder working muscles, faster fatigue, faster results! Used to improve athletes in all sports!
✅ CHALLENGE YOURSELF: Elevate your workouts and burn more calories. Vikingstrength fitness mask works by Creating Pulmonary Resistance allowing your lungs to increase inhaling capacity and deliver more oxygen giving you the ultimate high intensity workout. studies show you'll boost your stamina and experience less fatigue. One size fits most between 120-230 lbs!
✅ WHY CHOOSE 4 WHEN YOU CAN HAVE 24 RESISTANCE LEVELS?: Vikingstrength smart design offer 24 resistance levels, ranging from 2000-18 000 FT. From beginner to top athlete. Change resistance with mask on! ALSO INCLUDES FREE STORAGE BAG AND COVERED BY VIKINGSTRENGTH GUARANTEE
✅PLEASE READ BEFORE BUYING: This mask is made to RESTRICT air flow. This mask should be used when excercising. You buy this mask because you want to train your breathing muscles and increase stamina. The mask will make it harder to breath. This is the purpose for the mask and you know that before you buy. IF THE MASK DOES NOT FIT, please contact us directly through Amazon.