SCIENTFIC – Only SportsMask designed for use with the scientific technique to replicate high altitude conditions at sea level
	
EXPERT DESIGNED – Designed by internationally renown breathing expert Patrick McKeown
	
INCREASED PERFORMANCE – Delayed onset of fatigue and lactic acid, improved aerobic performance, strengthen core and breathing muscles, reduced breathlessness during exercise
	
ADAPTABLE – Secure grip head straps to ensure mask stays in place + Varied resistance settings for your training needs
	
PATENTED – SportsMask Patent Number US9914017
 
Comes with Carry case, and Training manual.