●MIPS SAFETY - The MIPS system has been developed to provide additional safety for helmets in many accidents. The system can reduce harmful rotational forces during certain impacts. ●Double adjustment – 2 different thickness inner shells (0.23 and 0.31 inches) and the dial maximise head adjustment, flexibly adapt to different types of bicycle glasses and prevent pulling on the hair. ●Comfortable – the removable visor and the skin-friendly, adjustable chin strap offer a comfortable fit and a better fit. ●A helmet for multi-sport – equipped with 25 individual ventilation openings for better ventilation when skating, cycling, BMX, MTB and more. ●What you get: 1 x OutdoorMaster MIPS bicycle helmet, 2 x inner lining, OutdoorMasters friendly customer service.