The Star Lady Hunter riding helmet’s lightweight, durable, ABS outer shell blends seamlessly with its other details to keep the same texture and tone. The 100% Merino wool inner padding provides exceptional comfort and outstanding breathability: this natural fibre is also antibacterial and provides optimal temperature regulation. The inner shell is made of expanded polystyrene with three density levels to ensure full impact protection. The helmet is equipped with an intelligent ventilation system. It features two honeycomb grids to ensure a constant airflow and improve comfort. The patented FIt System automatically and perfectly adjusts to the shape of an athlete's head, guaranteeing safety and a flawless fit. Details Minimalist Helmet Perfect for the Hunter Ring Improved Fit Updated Chinstrap and Liner Stain-Resistant Fabric Cover with Matt Finish Molded ABS Outer Shell for Lightweight Shock Absorption Polystyrene Inner Shell for Total Shock Protection Redesigned Removable / Washable Merino Wool Inner Padded Lining Improved Chinstrap Shifted Back on Helmet Honeycomb Areation Grids for Ventilation and Airflow Self-Adjusting FIT System to Cradle Back of Head Helmet Meets or Exceeds Standards: VG1 01.040 2014-12 ASTM F1163 with SEI mark