Bell 4Forty Air MIPS Helmet

MIPS, or Multi-directional Impact Protection System, is a low-friction layer inside the helmet. It allows the helmet to slide slightly during an angled impact, which helps reduce the rotational forces transmitted to your brain.

Yes, the 4Forty Air is designed with an adjustable visor that accommodates both goggles and sunglasses. You can easily push your goggles up onto the helmet shell when you aren't using them.

This system features intake ports on the brow of the helmet that channel cool air directly over your forehead and through the internal matrix. It is noticeably effective at preventing sweat buildup during slow, strenuous climbs.

No, the extended coverage is focused on the back and sides of the head to provide extra protection for trail riding. It is shaped to offer security without restricting your ability to look up or move your head freely.

The Float Fit system uses a simple dial at the back of the helmet that is easy to reach and turn with one hand, even while wearing gloves. It provides a secure, customized fit that keeps the helmet stable on rough terrain.