Features: Certified multi low force impact helmet (ATSM 1492) Certified single high impact helmet (CPSC 1203) Polycarbonate visor to prevent shattering on impact Anti-fog coating inside the visor and anti-scratch coating outside visor to prevent scratches 5 times more protective than soft foam helmets Specification: High impact ABS outer shell Lightweight construction Specially formulated EPS Fusion Foam to protect against multiple impacts Deep fit design Soft sweat absorbing sizing liners with additional padding supplied for a comfortable and secure fit Provided with a soft micro-fibre cloth for cleaning and protective storage bag Helmet Sizing Info: Small: 53.3cm / 21” Medium: 54.6cm / 21.5” Large: 55.9cm / 22” X-Large: 57.2cm / 22.5”