Training mask 2.0 Elevation Training Mask

Training Mask 2.0 Elevation Training Mask Simulates high-altitude training to improve performance and increase strength and endurance. Benefits: Increases lung resistance and improves efficiency. Strengthens the diaphragm. Expands and increases the elasticity of the alveoli. Increases respiratory capacity. Raises the anaerobic threshold. Reduces exercise time from 60 minutes to just 20 minutes. Size: M Design: Black sleeve with white valves + included head strap. Suitable for all athletes from beginners to professional runners.