This item was used less than a handful of times.  It has minor blemishes on top of helmet due to storage only. 6 Super Cool vents with mesh covers and Stack Vent Compliance: CE EN1077 Hard Shell construction with Interior Goggle Channel   You don't have to be a neuroscientist to know it's a good idea to protect your noggin. Enter the POC Crane. So light it practically feels like the sea breeze its self, the Crane features a progressive core, dual density EPS liner to keep you safe and an adjustable sizing system for that perfect fit.   Size Medium:  55.5 – 59 CM Equivalent to hat size:  6 7/8 – 7 ½”   249WHSBB