TRAININGMASK Workout Mask 3.0 - Breathable Cardio Training Mask for Running, Cycling, and Exercise, Black

Training Mask 3.0 is the ultimate training device for respiratory breathing and controlling the airflow in the body.You train your lungs, get more endurance and thus more strength and performance.Thanks to the design, you have chosen a very compact system that guarantees maximum freedom of movement during training.The sleeve of the Training Mask 3.0 is also washable'