— MIPS BPS functionality
MIPS BPS functionality
We know from scientific research that the brain is particularly sensitive to rotation. In the event of an impact, MIPS BPS helmet technology reduces the rotational energy transmitted to the skull and brain by making it easier for the helmet to move relative to the head.
You may have noticed that it’s already possible for even a well-secured helmet to move backwards and forwards on your head; so why MIPS BPS?
It all comes down to energy. Typically, falls happen at an angle. On impact, the forces that build up between the head and the helmet are immense (equivalent to the weight of 14 people suddenly standing on your helmet). Under such pressure, it’s not at all easy for a helmet to move. But when equipped with a MIPS low friction layer, the helmet can rotate, helping to dissipate energy and reduce the risk of serious injury.
The MIPS BPS helmet reduces energy as good as a helmet without MIPS BPS in a pure linear impact. But when it comes to an angled impact the MIPS BPS helmet reduces the severe rotational energy otherwise transmitted to your brain.
The reduction of the rotational energy is done partly by redirecting the energy from rotation to translation energy. You can think of if you fall to ice. The helmet and head will just continue in the direction you were supposed to go. But if you land on asphalt there will be a stop and spin of the helmet.
Then by getting the relative motion between the helmet and the head we will get more EPS foam into action and that will help as well.
Proven in the Test Lab
When a brand wishes to release a helmet equipped with MIPS BPS, they must first submit it for approval at our test lab in Sweden, where we compare the same helmet in both MIPS BPS and non-MIPS BPS versions.
Our testing process compares high-speed film and the measured acceleration signals from the head form. When we analyse the film, we see that the MIPS low friction layer allows for a 10–15mm relative motion between the head and the helmet. We then compare the acceleration signals of the two versions, to note that the MIPS BPS equipped helmet significantly reduces head rotation.
The difference between a helmet with and without MIPS BPS is that MIPS BPS allows the helmet to rotate 10–15mm relative to the head, thereby reducing the rotational energy otherwise transmitted to the brain.
More than 27.000 tests at our lab prove that MIPS BPS always adds protection when compared to a helmet without MIPS BPS.