buy shoei gt air revive GT-Air II Full Face Motorcycle Helmet : Automotive Forehead area of outer shell is raised slightly to accommodate the internal sun shield SHOEI GT-Air 3 Realm –

When this happens, the liners job is to bring the head to a gentle stopif you want your brain to keep working like it does now, that is

Thanks to the evolution in shell strength from the previous generation, the aperture could be made larger and the mouth shutter could be made to flow more fresh air, without the need for the mesh vents as seen on its predecessor. Working in conjunction with the mouth shutter, the inner shutter allows you to adjust the amount of airflow entering the helmet

This is the most common design for a lightweight jacket, and with a 30,000mm water entry pressure, it meets the waterproof standards required by UTMB (Ultra Trail du Mont Blanc, considered the most competitive trail ultramarathon in the world)

Since the primary differentiating factors between mens and womens models of shoes are usually size range and color options, the shift towards unisex models and sizing isnt a huge surprise