Sisu Aero Gum Shield Type_Supports Use it to isolate your

Use it to isolate your leg muscles and force your lower body to do all of the hard work

Heavy-duty

resulting in a better range of motion strength

Wide adjustable shoulder straps with phone holder

Sisu Aero Gum Shield Type_Supports Use it to isolate yourAs invisible and ultralight as the air for which it was named, SISU Aero is the 1. 5 mm high tech mouthguard that started it all. Designed for athletes who prefer to easily talk, breathe and drink during game time (otherwise known as: all athletes), the Aero is revolutionizing mouthguards one mouth at a time. Size guide Small Up to 5' (150cm) Medium 5' 6' (150cm 180cm) Large Over 6' (180cm +)