How to Choose the Right Helmet for Kids

How to Choose the Right Helmet for Kids

When my kid started riding his balance bike, he refused to wear a helmet. It took plenty of tries through tears and tantrums for him to understand the importance of wearing one. Peer pressure from older kids helped too! As he graduated to bigger bikes, he needed a better helmet. He was afraid of the full face helmet so we opted for one with a detachable chin guard. Once he was comfortable with the new helmet, we told him if he wanted to go faster he needed the chin guard. Lots of perseverance and one chin scrape later and we were in business.

Choosing the right helmet is one of the most important things you can do to keep your child safe while riding. Whether they're biking, riding a scooter, or exploring trails with friends, a properly selected helmet protects their head and helps them ride with confidence.

But not all helmets are the same. Understanding the different types of helmets, how they should fit, and when they need to be replaced will help you make the best choice for your child.

What Type of Helmet Does a Child Need?

The best helmet for a child depends on how and where they ride.

For casual riding on neighborhood streets or bike paths, a lightweight bike helmet designed for everyday riding is usually the right choice. These helmets are comfortable, breathable, and easy for kids to wear for long periods.

If your child rides more aggressively, such as mountain biking, BMX riding, skate parks, or downhill trails, a helmet designed for higher protection may be more appropriate.

When choosing a helmet, look for:

  • A snug, adjustable fit
  • Adequate ventilation
  • Durable outer shell construction
  • Safety certification (such as CPSC or CE standards)

A helmet designed specifically for youth riders will typically provide a better fit and more appropriate weight than helmets designed for adults.

Read more about Why Helmets Matter for Kids.

Full-Face vs Half-Shell Helmets

Two common helmet styles for kids are half-shell helmets and full-face helmets.

Half-Shell Helmets

Half-shell helmets are the most common type for everyday riding. They cover the top and back of the head while leaving the face open.

These helmets are typically:

  • Lightweight
  • Well ventilated
  • Comfortable for casual riding and commuting

They are a great option for kids riding bikes, scooters, or skateboards in neighborhoods and parks.

Full-Face Helmets

Full-face helmets extend protection to the jaw and face. They are commonly used in sports where falls and higher speeds are more likely.

Full-face helmets are often preferred for:

  • Mountain biking
  • BMX riding
  • Off-road riding
  • Bike park riding

Because they offer additional protection around the chin and jaw, many parents choose full-face helmets for more aggressive riding styles.

Helmets With a Detachable Chin Guard

A great middle ground for kids who resist full-face helmets is a helmet with a detachable chin guard. The ROCKBROS Kids Helmets we carry let young riders start open-face and add chin protection as they build confidence and speed. It’s exactly the approach that worked for us.

How a Helmet Should Fit

A helmet only protects properly if it fits correctly.

To check the fit, place the helmet on your child's head so that it sits level and low on the forehead, covering the front of the head without tilting backward.

The helmet should feel snug but comfortable.

Key fit checks include:

Forehead coverage
The front of the helmet should sit about one to two finger widths above the eyebrows.

Side straps
The straps should form a “V” shape around the ears.

Chin strap
The chin strap should be snug enough that only one or two fingers can fit between the strap and the chin.

When properly fitted, the helmet should stay in place when your child shakes their head.

If you are unsure about sizing, measuring your child's head circumference can help you choose the correct helmet size.

If you have not measured yet, start with our How to Measure Your Kid for Riding Gear guide.

When to Replace a Kids Helmet

Helmets are designed to absorb impact during a crash. After a significant impact, the protective foam inside the helmet may be compromised—even if the helmet looks fine on the outside.

You should replace a helmet if:

  • It has been involved in a crash or hard impact
  • The outer shell is cracked or damaged
  • The inner foam shows signs of compression
  • The straps or retention system no longer adjust properly

Even without crashes, helmets should generally be replaced every 3–5 years, since materials can degrade over time.

As kids grow, replacing helmets periodically is also necessary to ensure a proper fit.

Recommended Helmets for Young Riders

When choosing a helmet, prioritize safety certification, proper fit, and comfort. A helmet that feels comfortable and breathable is more likely to be worn consistently.

At Voltastra, we carry ROCKBROS youth helmets built specifically for young riders with certified impact protection, adjustable fit systems, and the option for a detachable chin guard so kids can grow into full-face protection at their own pace.

See Our Kids Helmets