Originally Posted by Dahon.Steve

This paragraph reads like it came directly from the marketing department. These theories have no scientific basis at all. If Snell wanted to make their point, they should have taken 1,000 (or more) five year old helmets and conducted the same drop tests as their 2015 models. They probably did but guess what, the results did not warrant buying a new helmet hence no scientific study. As a result, their marketing department was given the job to increase new helmet sales.