Palm AP2000 watersports helmet. A full cut helmet with solid ear protection. The helmet features a inner adjustable cradle that allows it to quickly and easily fit many different head sizes. Features a full cut high-impact polypropylene shell, water-resistant foam lining and vents for optimal ventilation and drainage.FeaturesFull cut shellSoft webbing chinstrapWater-resistant foam liningSlide adjustable inner cradleVents for ventilation and drainageSpecificationsMaterial: High-impact polypropyleneSize: 52cm – 58cmAdjustable size: YesCertification: CE watersport safety standard EN1385Weight: 0.42kgSize GuideSizeCircumference(cm)one size52 58