100 aircraft mips dh helmet hyperloop100s hyperloop aircraft helmet is a state of the art dh helmet that has been designed with precision engineering using a composite shell made of carbonkevlar to make the helmet incredibly light most ventilated helmetit has high quality ventilation thanks to 25 air vents channels making this one the most ventilated helmets available brain protectionthis helmet has features aplenty from safety to technical and also comes equipped with mips a patented