Bollé Avio MIPS White Shiny S 52 55 cm Bicycle Helmets No Lens Reference Size Unisex Adult

[Protection: Mips Air & AVID Aero Progressive EPS] High-performance, ultra-lightweight protection The lightest Mips system on the market reduces the impact on the brain in the event of a collision. The AViD Aero EPS structure offers progressive cushioning, reduced weight and optimised ventilation. [Adjustment System: Fit System Performance] Ultralight fit adjustment and ponytail compatible Adjustment system that is both vertical and around the head super light and flexible. The adjustment system allows you to pass a ponytail at the back. [Aerodynamic optimization (in wind tunnel)] Best ventilation and aerodynamics on the market Aerodynamic performance has been optimized using a high-performance air simulator to achieve the best aerodynamics and airflow. [Additional features: Not applicable] [Vision: Optidock] Eyewear Storage Holds glasses firmly on the head. Suitable for most glasses.