Upgraded for 2016 the sinethesis nightlights is the first bicycle helmet with luminescent material injected into the icelite exoskeleton providing additional visibility for night riding visibility is also increased by reflective detailing on the straps strap divider size adjuster and siderear stickers in addition to a new usb rechargeable led which clips onto the back of the retention system the icelite exoskeleton is designed to provide the maximum airflow through the helmet the air flow