Sisu Aero Gum Shield Size:Medium Easy-to-adjust pull buckles

Easy-to-adjust pull buckles

- Specially designed holes for ventilation

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

Durable and ergonomic design tailored for an active sport

Sisu Aero Gum Shield Size:Medium Easy-to-adjust pull bucklesAs 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 +)