Quote:
Originally Posted by Mark McM
.Which leads me to one of my questions about MIPs: The MIPs implementations I've seen add a polymer sheet as a thin layer between the head and inner surface of the helmet. This layer is supposed to allow sliding between the head and the helmet, so that the helmet can rotate independent of the head - almost as if the head and helmet were a ball and socket, and the polymer sheet were a lubricating layer.
But here's the thing: My head isn't a perfect sphere, and neither is the inside of my helmet. When my helmet is held snugly to my head, there are many directions the helmet can't rotate, even with the MIPs layer to reduce friction. The MIPS implementation where there is a helmet-within-a-helmet might work, because you shape the interface between the inner and outer helmets like a sphere, allowing it to rotate in any direction. But I question that the thin polymer layer implementation of MIPs will be nearly as effective.
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My MIPS synthe will move in a number of directions with it snugly fit, but I agree there are limits to that movement from a directional perspective. I think this is a technical challenge of making something that will fit a variety of dissimilar non-spherical heads while still offering a metered amount of directional movement. You want it to move some, but not so much that the movement leaves some part of the head exposed after the initial impact. Some folks could likely benefit from additional movement depending on their specific dimenstions I think the tech and amount of movement as it stands is a middle ground to account for differences user dimensions.