Integrated in-mold PC shell with multi-dimensional cone-shape EPS impact foam. A Ventilated channel system provides cooling airflow when you’re riding hard. One-hand Fit adjustment back wheel for comfort wearing. Removable inner quality padding to absorb shocks upon impact and extra sweat. Breathable, removable, and soft chin guard and Y-S fixing strap for comfort fit. The visor attached protects your eye from rain, sun, mud, and tree branches.  Specially designed for mountain biking road cycling.