The ST4 Formula Composite Helmet is exactly the same as the ST4 Formula Carbon, but has a slightly heavier Kevlar/Multi-Sandwich Fiber shell. It carries the same Snell 2010 certification as the Carbon helmet, but uses more material to gain the necessary strength to meet the requirements. This yields a slightly heavier helmet, but at a reduced cost.

The shape of the Formula is conducive to use in open and closed cockpit cars, with an optional Aero kit to optimize airflow over the helmet for open cars.

Available with integrated Electronics and your choice of Air Supply or Hydration, this helmet offers flexibility while maintaining a clean cabin. There are no wires or hoses hanging down below the helmet – everything integrates seamlessly with the shell of the helmet.

Features an M6 nut integrated into the shell for interfacing with Head and Neck Restraints.