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      Reducing rotational forces during an impact has been something we’ve focused on since the very beginning, by creating low volume helmets with a smooth surface that’s more likely to slide on the ground during an impact. In 2011 we made a big step further by being one of the very first helmet brands to partner up with MIPS. We have worked closely with them ever since, and we are continuously working to improve performance through MIPS’s superior technology. Today MIPS brain protection technology is implemented either as standard or as an option throughout our entire range of bike, ski, and snowboard helmets.


      In a helmet with MIPS Brain Protection System (BPS) the shell and the liner are separated by a Low Friction Layer. When a helmet with MIPS Brain Protection System is subjected to an angled impact, the low friction layer allows the helmet to slide relative to the head. The MIPS BPS is designed to add protection in helmets against the rotational motion. The rotational motion is a combination of rotational energy (angular velocity) and rotational forces (from angular acceleration) that both affect the brain and increases the risk for minor and severe brain injuries. MIPS BPS has been scientifically proven to reduce rotational motion when implemented in a helmet by absorbing and redirecting rotational energies and forces transferred to the brain.

      MIPS works by installing a thin (0.5–0.7 mm), ventilated, custom cut low-friction layer inside the helmet liner. The layer is held in place by an assemblage of composite anchors that flex in all directions. These anchors hold the layer in place, around the head, but provide a small movement in response to angled impact. MIPS’s small movement (10-15 mm) relative to the helmet at the brief moment of an angled impact (3–10 milliseconds) allows the head to continue in the direction in which it was originally traveling. This means that some portion of the rotational forces and energies acting on the head at impact are redirected and spread out thanks to the large low-friction layer, rather than being transferred to the brain. Thanks to its thinness, lightness, and integration into the helmet’s existing ventilation, it’s rarely noticed by the wearer, even over extended periods of use.





      MIPS is designed to address what happens when you fall. Under real-world conditions, when you fall, your head usually hits the ground at an angle, putting your head into a spinning motion that could lead to strain in the brain. Accident statistics bear this out. However, in standard helmet tests, the helmet is dropped vertically onto a flat impact surface. This test is helpful for measuring precise vertical impacts but far inferior for measuring the more realistic scenario of an angled impact.


      MIPS has evolved through study and testing in Sweden since 1996 by some of the world’s leading researchers in biomechanics and neuroscience at the KTH Royal Institute of Technology and the Karolinska Institute in Sweden. The two universities created a joint department called Neuronics. MIPS sprung out from a research project at Neuronics which also saw the development of a helmet test rig for angled impacts. A Hybrid III dummy head, specially designed to measure the complex linear and rotational kinematics that occurs in the head during an impact, is fixed in a helmet, which is placed on a frame. The frame is attached to two pillars and travels with minimum friction in a vertical direction. The helmet strikes a 45 degrees impact anvil. Inside the dummy head is a system of nine mounted accelerometers.

      With this method, it is possible to measure linear accelerations in all directions and rotational accelerations around all axes. Full-face motorcycle helmets, as well as other sports helmets, have been tested in this type of angled test rig. In addition to the angled impact test, MIPS has access to an advanced computerized finite element model of the head and neck that can be used for injury prediction in impact simulations. This computer model was developed at the Royal Institute of Technology and work continues to further develop the model, which is used to test and optimize the protective properties of helmets with MIPS.



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