Tough yet lightweight injection moulded ABS Shell - prevents penetration against sharp objects whilst helping to spread the force of impact over a larger surface area and to protect the polystyrene inner from disintegrating during impactPolystyrene liner - provides the cushion which helps to absorb and reduce the amount of impact to the head as the beads crush together to help reduce any bruising_Incorporates a ventilation system to keep your head cool and comfortable at all timesAdded foam around the inside so ensure a comfortable, secure fit4-point padded nubuck harness - offers superb comfort and security Quick release fasteningColour: Black / GreyGrey strip in the centre of the hat - adds interest to the designThe Champion Junior X-Air Plus Riding Hat is PAS015 Certified & Kitemarked to BS EN 1384 2012 Safety Standards.Sizes available are head circumference in cm.