Depending on the brand and the style (full face, open face, modular, et al), some womens helmets offer slightly more room at the rear of the head to allow for hairstyles such as a low ponytail, loose bun, or give enough room for longer hair to fit out the neck roll without pulling and yanking on that hair
"Longterm exposure to something like storage in a hot trunk of a car where temperatures easily hit 60 to 70C is something I dont think riders are normally thinking about, and can prematurely age a helmet and cause a degradation of performance," says Rebol
Low-Profile Fit no more mushroom head
Magnetic snap-on attachment Secure, easy-on access for compatible devices
lightweight, superior fit and comfort using advanced CAD technology, Advanced Channeling Ventilation System (ACS) Full front to back airflow flushes heat and humidity up and out, Pinlock Prepared HJ-17 Shield Provides 99% UV protection, RapidFire Shield Replacement System Simple and Secure shield ratchet system provides ultra-quick, tool-less shield replacement, Interior Parts Moisture-wicking and dry, Integrated Sun Visor Black dark smoke sun visor deploys quickly and easily
(Shiffer explains that the helmets could alternatively be made of a recyclable plastic.) One of the greatest concerns with EcoHelmet is how long the product would last