描述
- Patented hybrid elevation mask with 24 Oxygen Levels - one size fits all, complete with carry case
- Ideal to improve cardiovascular fitness levels & train like an elite athlete
- An ideal way to push your aerobic training system across multiple sports
- Option to use filters to allow flow of pure air when exercising outdoors or in high pollution environments
- Lightweight and breathable head strap for maximum comfort
Full description not available
