POWERbreathe Classic Breathing Training Device, Red - Heavy Resistance Glacier Wool Jacket 2.0 MIZUNO ENERZY FOAM throughout the

MIZUNO ENERZY FOAM throughout the midsole offers amazing cushioning and energy return

Top compression straps

Lining:100% nylon

Large 42mm opening

and w e engineered it with the convenience of an interior kick-up feature that lets you clip it to your shirt

POWERbreathe Classic Breathing Training Device, Red - Heavy Resistance Glacier Wool Jacket 2.0 MIZUNO ENERZY FOAM throughout theBoost your lung capacity and reduce breathlessness with the POWERbreathe Classic, the worlds original drug free inspiratory muscle trainer. Often called "dumbbells for your lungs," this mechanical device uses calibrated resistance to strengthen your diaphragm and ribcage muscles, making every breath more efficient. Whether you are an athlete looking to gain a competitive edge, a singer wanting better breath control, or simply looking to improve your