Sisu Aero Gum Shield Size:Medium The top of the foot

The top of the foot section incorporates a ventilation mesh in it’s design

● With carrying handle and belt

Easy-to-adjust pull buckles

ThermoReg technology keeps you warm in cold conditions

plyometrics

Sisu Aero Gum Shield Size:Medium The top of the footAs 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 +)