Cutting-Edge Protection When you take to the dirt, you know that crashing is almost inevitable. That's the thrill of it though. Pushing those limits closer and closer to the edge. However, with the A1 MIPS Classic Helmet, you have the maximum coverage and safety features to keep you safe and protected. The EPS liner works to absorb impacts and it extends down both the sides and back of the head for all-round protective coverage. A reinforced polycarbonate outer shell, using in-moulded technology, creates a helmet that's tough too. Cutting edge MIPS brain protection system can also be found, boosting safety still further. What is MIPS? Multi-directional Impact Protection System (MIPS) is a proven system that reduces the rotational forces on the brain when you're involved in a crash. The forces are absorbed and redirected to prevent them from being transmitted to the brain. MIPS is a Brain Protection System Rotational motion can cause brain injuries The low friction layer allows a sliding movement of 10–15 mm, in all directions, reducing rotational motion to the brain during impact MIPS adds protection Trail Riding Comfort Comfort and ventilation are also optimised for your mountain bike trail riding fun. 8 intake vents suck in air where it rushes over your head to keep you cool. And the complementary 8 rear vacuum vortex vents to the back draw away heat and moisture so you don't get too hot and sweaty as you ride uphill. Meanwhile, the luxuriously soft comfort liner hugs your head comfortably. And being quick-wicking and anti-microbial you'll enjoy more comfort, less dampness and no itchy head after a long day on the trails. It's washable too, so you can also feel fresh every time you go ride.