The Synthe MIPS II is the iconic and favorite model among runners for years. This updated version is more comfortable than ever. Compact and lightweight yet sturdy, it offers impressive aerodynamics and cooling performance. It features all of our best technologies, including the Roc Loc 5 Air Fit System with integrated MIPS, the leading market protection system designed to redirect rotational forces away from the brain area for enhanced protection in case of a fall.