There are plenty of options for auto racing and karting helmets, and it can be difficult to decide which is the best for you and your team. This racing helmet guide breaks down what matters most for real-world track use, especially circle track, including the safety certifications you may be required to run, how to choose materials and features, how to dial in fit, and how to make sure you’re getting the right protection for your program.

If you’re searching for the best racing helmets, start with rule one: buy according to your rulebook first, then shop for features and comfort second. In circle track, the best racing helmet is the one that’s legal at your track, fits correctly, and supports the safety gear you’re running.

Consider the Certifications (Start With Your Rulebook)

When choosing helmet certifications, first refer to the requirements of the circuit or venue. The most common helmet ratings include:

• Snell. This standard tests for impact rating, projectile, chemical, and fire resistance, as well as considerations such as comfort, ease of use, and compatibility with vehicle restraints. If your track calls for SA, look for Snell-certified racing helmets that meet the current allowed year range in your rulebook.
• FIA. Fédération Internationale de l'Automobile, or FIA, is a rating that is common in Europe and considers resistance to penetration and energy absorption in case of impact. An FIA racing helmet is designed and tested for strength, and may be accepted in some series as an equivalent, depending on the rules.
• SFI. SFI ratings, which are similar to Snell standards, require performance minimums for retention system and shield performance, as well as impact, penetration, and fire resistance. The SFI helmet standard is accepted in a variety of U.S-based motorsport circuits; refer to your rulebook for specific requirements.
• DOT. The DOT rating is for highway use and is not a race-specific rating.

Most circuits require Snell certification, which updates the Special Application rating (such as racing) every 5 years. This rating is displayed as SA, with the year the certification was last updated. For example, the rating “SA2025” reflects the 2025 update cycle. To determine which certifications your helmet must meet, always check the safety standards issued by your race rulebooks.

Quick Certification Table (What it is and who commonly requires it)

Rulebook tip: When a track says “Snell SA required,” they usually mean an auto racing certification (SA), not a motorcycle (M) rating, and DOT alone typically won’t pass tech. If you’re shopping for Snell-certified racing helmets, match the sticker to what tech is looking for, then verify the “allowed years” your track lists (some allow older SA ratings; some don’t).

If you’re also running a head-and-neck restraint, prioritize helmets that are set up for it.

What Is the Best Material for a Racing Helmet?

Auto racing helmets are built in protective layers, typically including an outer carbon fiber or fiberglass shell, an inner energy-absorbing liner (often polystyrene or polypropylene), a polycarbonate helmet shield, and additional padding for fit and comfort.

When deciding between carbon fiber and fiberglass, it usually comes down to what your track or rulebook requires and what you want to spend. In most circle track situations, either material can be a safe choice as long as the helmet meets the required certification. The difference often comes down to weight, balance, and long-run comfort.

Carbon Fiber vs. Fiberglass (What you’ll feel on track)

• Carbon fiber. Typically lighter, which can reduce fatigue in longer features. Often the premium-priced option.
• Fiberglass. Strong value and durability, but can be slightly heavier depending on the model and features.

For a circle track helmet, start by filtering choices by the certification your track requires, then choose shell material based on budget and comfort goals. A lighter helmet can help reduce neck fatigue, especially in longer mains and rougher conditions.

How To Choose the Right Racing Helmet Size

Getting the right size is simple. Measure your head, match it to the brand chart, then confirm fit with a quick on-head check. For a circle track helmet, a snug, stable fit matters as much as the certification.

Step-By-Step: Measure Your Head

• Wear what you race in. If you use a head sock, wear it while measuring.
• Use a flexible tape measure.
• Wrap the tape 1 inch above your eyebrows, then around the widest part of the back of your head.
• Measure 3 times and use the largest number.
• Match your measurement to the brand’s size chart. Do not assume sizes cross over between brands.
• Start with the size that matches your measurement, then adjust up or down based on actual fit.

Step-By-Step: Try It On and Confirm Fit

• Put the helmet on and fasten the strap. It should be snug and secure.
• Check even pressure all the way around. No hot spots, no loose gaps.
• Cheek pad check. You should feel firm cheek pad contact, and it should not “float” when you push on the helmet.
• Roll-off check. With the strap fastened, try to gently roll the helmet up and off from the back. It should not move or come off.
• Turn test. Rotate your head left and right. The helmet should move with your head, not lag behind or shift.
• Vision and controls. Make sure you can see clearly, the visor works smoothly, and you can release the strap easily.

Do Not Forget Accessories and Compatibility

Before you commit to a helmet, confirm it works with what you actually run.

• Head and neck restraint hardware
• Fresh air system
• Radio, speakers, and a microphone
• Tear-offs or shield options

Different models can fit differently, even within the same brand. If one helmet fits, it does not guarantee the next one will. Try more than one model if you can, then buy the one that stays planted and feels right.

FHR And HANS Compatibility

The best racing helmet can meet every safety spec and still be the wrong choice if it will not work with your head and neck restraint. If you run an SFI-style head and neck restraint or a HANS-style racing harness, confirm the helmet is set up for it before race day. 

FHR/HANS Compatibility Quick Check

What To Look For

• Factory FHR posts installed. This is usually the simplest, cleanest option.
• FHR ready, posts not installed. Confirm the exact post kit and install method that the manufacturer specifies.
• Not FHR compatible. Avoid trying to force it. That is how fit issues and tech problems happen.

Post Style And Tether Fit

• Use the hardware your restraint system is designed for. HANS-style tethers are built to clip to helmet posts, and the geometry matters.
• Check the tether path and pull with the helmet on. Tethers should not pull the helmet down into your eyebrows or lift the back of the helmet under load.
• Confirm clearance with your seat and belts. Racing seat angle and shoulder belt routing can change how the device sits and how the tethers track.

Installation And Legality

• Follow the helmet manufacturer’s instructions for post type and installation.
• Do not drill a helmet unless the manufacturer allows it and you are using the correct hardware and procedure.
• Tech inspectors want to see proper hardware. A correct install helps you pass tech and keeps the system working as designed.

Quick Pre-Race Check

• Put on the helmet and device together.
• Fasten belts and tighten them like you would on a track.
• Turn your head left and right and make sure the tethers do not bind.
• Look up and down, and confirm the device does not push the helmet out of position.

How Long Do Racing Helmets Last?

The best auto racing helmet can look fine and still be past its useful life. Safety standards update over time, and helmet materials can break down with age and use, including padding, straps, and the energy-absorbing liner. Heat, sunlight, sweat, and hard use all speed that up. Staying inside your allowed certification window helps you avoid tech issues and keeps the protection current.

When Should a Racing Helmet Be Replaced?

• If it is past the allowed certification date for your track or sanction.
• After any crash or hard impact, even if the shell looks fine.
• If you see damage or deterioration, including cracks, delamination, a marred shell, damaged foam, loose or worn helmet straps, or a compromised liner.
• If you are unsure, contact the helmet manufacturer before you race it again.

Snell updates its auto racing standards on a five-year cycle, and replacement after about five years of use is a common recommendation.

How Do You Extend a Helmet’s Lifespan?

• Inspect it before and after every race.
• Clean it with a helmet cleaning spray and fully dry it after use.
• Store it in a cool, dry place away from heat and direct sunlight.
• Let the interior dry out completely, especially if you use a helmet dryer between nights.
• Transport it in a protective helmet bag so it does not get banged around.
• Replace worn items when appropriate, like shields, pivot kits, and some interior components, but prioritize safety. 

Always replace your circle track helmet after impact or when it is out of date.

When choosing auto racing safety equipment, your helmet is non-negotiable. Start with your track or sanction rules, match the required certification, then focus on fit, comfort, and compatibility with the safety gear you run. A helmet that fits right and passes tech every time is the right choice.

At Behrent’s Performance Warehouse, we stock the best racing helmet brands racers actually use, including Bell, Impact, Simpson, RaceQuip, and Stilo. Let us help you match the right model to your certification requirements, fit, and circle track needs.

Frequently Asked Questions About Auto Racing Helmets

How are racing helmets designed for safety?

Auto racing helmets use a hard outer shell to manage penetration and spread impact forces, plus an energy-absorbing liner that helps slow your head down during a hit. They also include a retention system that keeps the helmet planted when the belts tighten and the car loads up. The goal is controlled energy management, not just a “hard hat” on your head.

How long are racing helmets good for?

They are good as long as they are within your track’s allowed certification window and the helmet has not been damaged. Even if it looks fine, padding, straps, and the energy-absorbing liner can degrade from heat, sweat, and time. After any crash or hard impact, replace it.

How do you measure for a racing helmet?

Use a flexible tape measure and wrap it around your head about 1 inch above your eyebrows, then around the widest part of the back of your head. Measure three times and use the largest number, then match it to the brand’s size chart. If you wear a head sock on race night, measure with it on.

How do you choose the right racing helmet?

Start with your rulebook and buy what is legal for your track, then pick the helmet that fits your head shape and stays stable when strapped in. Confirm it works with your safety setup, including shield options, radio gear, fresh air, and head-and-neck restraint hardware if you run it. If you are shopping for the best auto racing helmets, the “best” one is the model that fits correctly, meets the certification, and passes tech every time.