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90-MINUTE MASK
Be the one who still runs at full intensity when others fade.
CHOOSE YOUR COLOR
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COMPLETE YOUR STAMINA SYSTEM

Nasal Strips
$39.99

Undersock Weights
$49.99

Dead by 60'.
This changed everything.
The Science of Elite Stamina
Transform Your Game
In 6 Weeks
reported easier breathing and better oxygen control during intense Altitude Mask™ training sessions.
noticed increased stamina and reduced late match fatigue — maintaining peak performance over a full 90 minutes.
observed faster recovery between high intensity sprints thanks to improved metabolic oxygen efficiency.
Athlete Test Group Performance Index
Based on a 6-week controlled program. Players trained with Altitude Mask™ 4×/week. Measurements included breath control drills, oxygen efficiency indices, and match simulations.
WHY FOOTBALLERS START USING
THE 90-MINUTE MASK
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Boosts lung power and control
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More stamina in final minutes
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Raises oxygen for peak performance
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Simulates high altitude for better endurance
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Builds calm focus under breath stress
- Minimal improvement
- Tires out faster
- Stays the same or grows slowly
- No altitude effect
- Less pressure adaptation
Frequently Asked Questions
Play with confidence — your questions, answered.










