Water Helmet - S/M - White  This helmet is for lightweight and comfortable protection. The Rachet system and chin cup provide a secure fit, and the helmet can be fitted with flashlight or motion camera adapters.Features:Hi-impact ABS shellAccessory side rails and NVG/Go Pro mounting bracket9 ventilation ventsClosed-cell EVA-molded foam liner for comfort and safetyRatchet easy-fit systemThe chin cup webbed strap adjusts to fitRemovable foam ear protection padsCE EN 1385 ApprovedSpecifications:Color: WhiteSize: S/MHead Circumference (in.): 21"-22.5"