Shred's Half Brain D-Lux helmets are upgraded with Slytech Second Skin Liners. The shape and style is 100% athlete inspired and tested. Slytech's overhaul by engineers has made them more comfortable and safe. New, Foldable Vent Cap and removeable lining is a synonym of perfect fit. Interchangeable SHRED goggle Buckle and Audio Integration Compatible (optional/aftermarket). SHREDVent uses a system of helmet vents to pull warm and moist air out of the goggles and exhaust it out of the helmet to prevent fogging. Foldable Vent Cap: The liner is folded over the vents to stop the flow of air during cold days, but can easily be folded back in for best ventilation. The ShredWheel makes it easy to dial in a custom fit in seconds, even with gloves on. An ergo-friendly dial at the base of the helmet provides up to 6cm of adjustment and enhanced stability. ICEdot Technology: All Shred helmets exclusively incorporate the ICEdot identifier technology. The ICEdot service identifies the athlete to first responders in case of an emergency using a Shred membership identify PIN. Meets ands Exceeds CE EN1077 and ASTMF2040 for the highest safety standards.