509 Altitude 2.0 Sci-Fi Helmet Hardware Around the calf is an

Around the calf is an elastic gaiter with an anti-heat protection panel/calf plate

they do not compromise on comfort and safety

strength and elasticity

Crafted from an Ax Laredo synthetic chassis

509 Altitude 2.0 Sci-Fi Helmet Hardware Around the calf is an509 Altitude 2. 0 Sci Fi Helmet The next generation performance of the 509 Altitude 2. 0 Pro Helmet features the latest in weight saving design and breathable comfort. Trail or track, the Altitude helmet twists the throttle wide open on airflow with a 40% larger chinbar intake and rear exhaust vents to keep you cool no matter what. Top of the line in every way, it includes the Fidlock magnetic strap buckle for easy one handed operation, plus GoPro