Unlike 99% of the helmets on the market, the Shiva doesn't use a solid chunk of EPS foam inside the shell. Instead it uses Composite Fusion Three Technology, which combines the foam shapes you see here with another density of foam to fill the voids. Kali has used similar technology in their other helmets before (left), but a switch from the cone shape to the triangular pyramid shape (right) boosted the level of energy dissipation and protection it's able to provide. Kali tested a number of shapes over the past few years and this was the best. The new shape allowed them to lower the height of the shapes, which in turn slimmed down the hemet's entire profile.