Bollé AVIO MIPS Titanium Acid Matte M 55-59cm - Bike Helmets No Lens Reference Size Unisex Adult

[Protection : Mips Air and AVID Aero Progressive EPS] Ultra-lightweight and high performance protection The lightest Mips system on the market reduces the impact on the brain in a crash. The AViD Aero EPS structure provides progressive dampening, lower weigth and optimized air flow. [Adjustment system : Performance Fit System] Ultralight fit adjustment and ponytail compatible Super light and flexible adjustment system that allows a wide range of adjustments both vertically and around the head. A ponytail can be pulled through the fit system in the rear. [Ventilation system : CFD Aero Optimized] Best in class aerodynamics and ventilation The aero performance has been optimized using a high performance air simulator, to allow for best in class aerodynamics and air flow. [Additional Features : Not Applicable] [Vision : Optidock] Dedicated eyewear storage Keep your glasses firmly on your head. Fits most glasses.