4 Series Helmet. The O'NEAL 4SRS helmet bridges the gap between pro-level features and everyday reliability, offering the protection you need with the style you want. With optimized airflow and a modern, lightweight design, it's made to perform on the track and beyond! Polycarbonate / ABS shell construction. Shell weight (size L): 1450 grams (±50) . Ultra-plush removable / washable padded liner. Multiple air vents for maximum ventilation and cooling. Height adjustable visor.
