Sisu Aero Gum Shield Size:Medium ● With carrying handle and

● With carrying handle and belt

- Specially designed holes for ventilation

ThermoReg technology keeps you warm in cold conditions

Easy-to-adjust pull buckles

The fabrication works to wick excess moisture and sweat away from the skin where it can be easily evaporated

Sisu Aero Gum Shield Size:Medium ● With carrying handle andAs 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 +)