3 Series Helmet. The O'NEAL 3SRS helmet ensures the highest level of safety and comfort, providing a secure fit and excellent protection for riders of all ages and sizes. The O'NEAL 3SRS helmet is the perfect choice for the whole family to simply Enjoy The Ride! Polycarbonate / ABS shell construction. Shell weight (size large): 1500 grams (±50). Ultra-plush removable and washable padded liner keeps you cool and dry by wicking away sweat. Adjustable visor design. Intake and exhaust vents for ventilation and cooling. Durable multi-colored clear-coated graphics. Replacement parts available. Meets DOT safety standard.