It also conceals a formidable internal upgrade: the new ASN system (Airoh Sliding Net), which allows the inner-lining to slide in the event of an impact and to guarantee an extraordinary ventilation for its everyday use. Airoh Twist 2. The HRT (High Resistant Thermoplastic) shell boasts as many as 2 EPS to ensure the best fitting, and now features a rear spoiler that improves the aerodynamics, making the Twist 2.0 amazingly stable even at high speeds. Airoh Twist is a recently developed MX helmet designed for the most demanding environments and for riders with high expectations when it comes to comfort and. Now the Twist 2.0 is more performing and more aggressive while remaining incredibly light. Introducing the 2020 Airoh Twist 2. The shell in HRT (High Resistant Thermoplastic) boasts 2 EPS to ensure the best fit, and is now characterized by the presence of a rear spoiler that improves aerodynamics, making the AirohTwist 2. It seemed impossible, but we were able to improve a best seller. The Airoh Twist 2.0 motocross helmet is more performing, more aggressive and does not give up its proverbial lightness.