The Phantom Altitude Training Mask improves your breathing and oxygen intake by limiting your air supply during training while also strengthen your inspiratory muscles.
Altitude Training Masks use the same basic technique as altitude training which helps athletes perform harder and longer.
Key Features:
Train your respiratory muscles and increase your fitness & performance.
4 Resistance Levels.
Can change resistance during training without taking mask off.
Ergonomic sleeve ensures a comfortable hold and prevents slipping.
Premium materials such as medical silicone and durable nylon.
Easy to disassemble and clean.
Available in 3 sizes: Up to 70kg Small; 70kg-100kg Medium; 100kg+ Large.