Best Kids' One Size Helmets of 2025

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Protecting your child's head while they ride their bike, scooter or skateboard is essential. That's why we recommend Kids' One Size Helmets. These helmets are designed to fit most children's heads comfortably and securely. With adjustable straps and a range of fun colours and designs, your child will be excited to wear their helmet every time they go out to play. Safety should always be a top priority, and Kids' One Size Helmets provide peace of mind for parents and a stylish accessory for children.
At a Glance: Our Top Picks
Top 5 Kids' One Size Helmets
Kombat UK Kids M1 Helmet with Ripstop Cover
The Kombat UK Kids M1 Helmet is designed for comfort and safety. Its unisex design makes it suitable for all children, ensuring that everyone can enjoy outdoor activities. The fully adjustable feature means you can achieve a perfect fit, enhancing comfort during use. The olive green colour provides a stylish look, while the Ripstop cover adds durability, protecting the helmet from wear and tear. This helmet is an excellent choice for active kids, offering both protection and a trendy appearance.
Endura Kids Hummvee Helmet in Grey Camo
The Endura Hummvee Helmet offers a lightweight and versatile design, ensuring comfort during outdoor activities. With its removable visor, you can adapt the helmet for different weather conditions, providing extra protection from sun or rain. The one-hand micro-adjustment fit system allows you to easily customise the fit for maximum security and comfort, making it ideal for growing kids. This helmet is also certified to CE Standard EN1078 + A1 02/2013, giving you peace of mind regarding safety standards.
XUBX Kids Lightweight Bike Helmet for Ages 1-5
The XUBX Kids Helmet is designed for young cyclists aged 1 to 5 years. With a robust EPS inner material, it offers top-notch safety, ensuring your child's head is well protected. The lightweight design makes it comfortable for little ones, while the ventilated shell promotes excellent air circulation, keeping them cool during activities. An adjustable strap and dial system allow for a personalised fit, enabling you to easily adjust the helmet for added comfort as your child grows.
Exclusky Kids Adjustable Bicycle Helmet
The Exclusky Kids Helmet offers excellent safety features for young riders aged 5 to 13. Its In-Mold construction combines a sturdy outer shell with shock-absorbing EPS foam, ensuring maximum protection for your child's head. The helmet also includes an LED light with three modes, enhancing visibility during night rides or in foggy conditions. Additionally, the one-hand adjustment dial system allows you to easily customise the fit for head circumferences of 50-57cm. With 16 air vents, this helmet ensures optimal airflow, keeping your child comfortable during cycling adventures.
Exclusky Kids Adjustable Bike Helmets
The Exclusky Kids Helmets offer exceptional safety and comfort for young riders aged 5 to 13. With EU CE Standards Certification, the durable outer shell and lightweight EPS foam ensure that your child's head is well-protected in case of an accident. The helmet features 15 air vents for optimal ventilation, helping to keep your child cool during outdoor activities. Additionally, the detachable sun visor and single-hand dial fit system make it easy for your child to wear the helmet correctly, promoting safe cycling and skating experiences.
Frequently Asked Questions (FAQs)
1. What size helmet does a 2 year old need?
Children aged 1.5 to 2 years have an average head circumference of 49 to 51 cm. The most common circumference of children aged 2 to 4 years is 51 to 53 cm. A children's bicycle helmet in size 48 to 52 cm is therefore an excellent choice for most children in this age group.
2. What size helmet does a 1 year old need?
For toddlers, small is recommended, measuring between 18.5 to 20.5 inches. The helmet is for any activity, be it biking, or riding in trailers, scooters, or trikes. Joovy's Noodle meets the CPSC standards for helmets.
3. What size helmet should my child wear?
While it's always great to see kids wearing a helmet, if that helmet doesn't fit correctly, then your child isn't receiving the protection that they should have....Step 1: Make sure the helmet is the right size.
During our kids' one size helmet research, we found 116 kids' one size helmet products and shortlisted 5 quality products. We collected and analyzed 60,606 customer reviews through our big data system to write the kids' one size helmets list. We found that most customers choose kids' one size helmets with an average price of £20.37.
The kids' one size helmets are available for purchase. We have researched hundreds of brands and picked the top brands of kids' one size helmets, including Kombat UK, Endura, XUBX, EXCLUSKY. The seller of top 1 product has received honest feedback from 50 consumers with an average rating of 5.0.

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.