Aduro Sport Workout Training Mask – for Running Biking Training and Fitness, Achieve High Altitude Elevation Effects with 4 Level Air Flow Regulator [Peak Resistance]
- Achieve the effects of a High Altitude Workout Efficiency when training, which helps decrease & maximizes your workout time
- 4-Level Resistance Valve System – Increase and Conditions Lung Capacity by Creating Pulmonary Resistance
- Simple Usage, Ultra-Lightweight, Anatomically Designed, Non-Slip Training Strap, One Size Fits Most – From 120 to 230 LBS
- Strengthens the Diaphragm, Trains Breathing Muscles and Improves Overall Performance in any Sport
- Covered by Aduro Sport Lifetime 100% Satisfaction Guarantee – This training mask is designed to last for years! If you have any issues at all, simply let us know. We’ll either replace it at no cost or issue you a full refund!