Enjoy more thrills and don't sweat the spills with the pro-tec ace water helmet! This professional quality helmet for action sports on water offers a high-impact ABS shell and a waterproof dual-density EVA liner that protect against hard, fast falls. T A full surround "head lock" Interior fit system supports the back of the head for maximum comfort and safety while 15 vents improve air ventilation and water drainage to keep the wearer comfortable. This helmet is certified, meaning it meets and passes independent safety standards for water helmets. X-Large size helmet fits head circumference of 23. 6-24. 4 inches (60-62cm) and includes an adjustable chin strap for optimal fit. Helmet comes with 1 Year .