First Responder Water Helmet - Large/XL - Hi-Vis Yellow. Rescue professionals need gear that allows them to respond safely and quickly to emergency situations. The WH-100 Water Helmet has been engineered for light-weight and comfortable protection. Complies with CE 1385-2012 water helmet standard. Features Hi-impact ABS shell Accessory side rails and NVG/Go Pro mounting bracket 9 Ventilation vents Close cell EVA molded foam liner for comfort and safety Ratchet easy-fit system Chin cup webbed strap adjusts to fit Removable foam ear protection pads Specifications Color: Hi-Vis Yellow Head Circumference: 22.5"-24.4" Size: Large & Extra Large Weight: 1.45 lbs