Extremely useful that you can apply this to any sports and you can decrease your workout time if you choose to efficient training approach.
Make it easy to train your breathing patterns and your lung capacity
Easily switch the resistance while you working out. Easy to disassemble, clean and wash.
100% Money back guarantee for your peace of mind. If for any reason (or no reason at all) you're not happy with the mask,just send us a message ,we'll either send you a replacement or fully refund your purchase
