Met terra helmetfeaturing the new safe t duo retention system which provides easy horizontal and vertical adjustment and the option to add a rear led the terra is living proof of the perfect synergy between form and function that makes up mets stylistic dna featuressafe t dou retention system ensures the perfect fit adjustable visor protects the face and especially the eyes from branches sun rain or mud flicked upintegrated air intake actively helps cool the head by directing the air towar