Giro Helmet Helios SphericalGiro design, and high performance innovation for core road cyclists, gravel enthusiasts, and adventure riders. The heart of the Helios's extraordinary design and performance is Spherical Technology, which utilizes a ball and socket design powered by MIPS, the market leading brain protection system that can help to reduce rotational forces. Spherical Technology allows the helmet's outer liner to rotate around the inner liner during a crash, and also