Pro-Tec Classic Certified Helmet Proven protection, proven style. The Classic Certified Helmet features Pro-Tec’s most durable outer high impact absorbing ABS shell, 11 open vents and an EPS foam liner with compression moulded padding. • Shell: Durable and tough, Injection moulded ABS (acrylonitrile butadiene styrene). • Liner: High impact absorbing EPS foam (expanded polystyrene). • Vents: 11 open holes for ventilation. • Interior: Compression moulded padding. • Nylon webbing strap with buckle. • Certification: CE EN 1078 European Saftey Standard Available Sizes XS: 52-54 cm / S: 54-56 cm / M: 56-58 cm / L: 58-60 cm / XL: 60-62 cm The Classic Certified Helmet is equipped with EPS foam which is EN (European Standard) Certified for skateboarding, cycling and roller skating in Europe. Pro-Tec does the science so you don’t have to. Protection for Progression!