This is a High Performance Hat with Lightweight Fibre Glass Shell with Stylish Modern Low Profile Design. The Polystyrene lining offers improved safety along with the bottom edge protection. This hat is wonderfully comfortable and sits nice and low on the head giving the feeling of excellent protection.The Ventair Riding Hat has a fully adjustable harness at the back of the hat for comfort and saftey.FEATURESVentilated Airflow SystemAdjustable Quick Release Laced Harness with Soft FeelSPECIFICATIONS Pony Club ApprovedConforms to Standards PAS015 - 1998 and BSEN1384 - 1997