Head and Neck Restraints for Beginners: What a HANS Does and How to Shop for One

Every beginner track day gear list has the same line item that makes people stop scrolling: head and neck restraint. It costs real money, nobody explains it, and the forums are full of guys who sound very sure of themselves. Here is the plain version!

What a head and neck restraint actually does

A head and neck restraint, usually called a HANS after the most common brand, is a collar that sits on your shoulders and ties to your helmet with tethers. The idea is to limit how far your head can move relative to your body in a frontal impact. Your harness holds the device in place, and the device holds your head in a place you prefer. That is the whole concept. The physics gets longer, but you do not need a physics degree to buy one.

Whether you need one is a rulebook question, not a vibe question. Your club, series, or track day organizer decides that, and rules change. Check the current rulebook for the event you are entering, and ask the organizer if it is unclear. 

The two things everyone confuses: the device and the helmet

The restraint only works with a helmet that has anchors for it. The tethers clip to anchors on the helmet, so the helmet and the device have to be compatible with each other. If you are buying both, buy them as a system. If you already own a helmet, find out what anchor setup it supports before you click anything. Our helmet buying guide covers the helmet side, and the SA2025 helmet collection is a good place to see what is current.

Quick Click versus post anchors

You will see two connection styles in our head and neck restraint collection. The product descriptions say Quick Click anchors allow quick removal of the device for easier entry and exit in tight cars. Post anchor devices use post-style anchors on the collar instead. Both are listed with SFI or FIA labels in the titles, and which label you need depends on your event. Again, rulebook.

The practical takeaway: pick the style that matches your helmet hardware first, then worry about everything else. Mixing styles without matching hardware is how you end up with a very expensive paperweight.

20 degree, 30 degree, and what the numbers mean for you

Many listings include a 20 or 30 in the name. The store descriptions say the Model 30 has an increased arm angle that suits open-cockpit, Formula-type cars with a more reclined seating position, and can fit broader chests better. The same descriptions say to consider it if a standard device pushes uncomfortably against the back of your head. If you drive a regular upright-seat car, the 20 is the usual starting point to look at, but fit varies by body and seat, so check the maker's guidance and try it in the car.

Sizing and fit

Devices come in sizes, and the HANS IV listing says it is offered in three. Fit matters because a collar that does not sit right will bother you in the first session, and a device that bothers you ends up in the trunk. When you try one, wear what you will race in, sit in the car, pull the harness tight, and see whether you can still turn your head to check mirrors. Our size guide and the beginner gear guide help with the rest of your kit.

Where to start looking

If you want an entry-level option, the HANS IV with post anchors is described by the manufacturer text as a frontal head restraint that is 10 percent lighter than the HANS III and a good fit for entry-level drivers across many race series. If you want Quick Click connectors, the HANS III 20M SFI Quick Click is an SFI 38.1 rated model with those connectors. Step up the price ladder and you get carbon fiber construction, like the Pro Ultra Lite line, which the description says weighs under a pound. Do you need that to have fun at an HPDE? Probably not. Does your wallet need it? Also probably not.

Small stuff that gets forgotten

Pads wear out. If yours are tired or you want a different look, replacement padding is available, two shoulder pads that install with hook and loop. Bring the device to your first event and check the fit with your harness before the green flag, not on grid.

The FastLap Supply take

This is not the place to save $100 and be clever. Buy the right device for your helmet, make sure it meets what your event asks for, and spend the leftover budget on tires and beer. Check the rulebook, match the hardware, and make sure it fits.