From bowls to half pipes, from skate parks to backyards, Pro-Tec has spent the last 4 decades listening to the needs of skaters and bikers all over the world, in order to create the best protection available, period. The Pro-Tec Classic Cert draws its line of design right back to our original helmet model but with the added EPS protection for high velocity impacts. High-Impact ABS Shell. EPS Liner. 11 Open Vents. Heat-Sealed Premium Padded Interior. CPSC Certified.