FDBRO Sports Running Mask Gym Workout High Altitude Training Fitness Sport Masks

Description

Take your training to the next level! This mask is a size medium which fits heads measuring 49cm-51cm
Change the intensity of your breathing without removing your mask during your workout. This training mask comes with a 6-level valve system, from light to extreme, depending on your endurance. Better breathing while training leads to increased stamina, workout capacity, and enhanced recovery.