Cómo elegir la talla de casco adecuada para tu niño pequeño
By Pushchair Expert | Published: 2026-10-29
Category: Guías de compra
Aprende a medir la cabeza de tu pequeño y elegir la talla de casco perfecta. Nuestra guía cubre el ajuste, las características de seguridad y cuándo subir de talla.
Quick answer
Measure your toddler's head circumference just above the eyebrows and ears, then match it to the helmet's size range. Look for a snug fit that doesn't wobble, and use the adjustable dial to fine-tune it.
Why helmet sizing matters more than you think
A helmet that's too loose can shift during a fall, leaving the forehead or temples exposed. One that's too tight can cause discomfort and discourage your child from wearing it. The right size balances safety and comfort so the helmet stays put without causing fuss.
Small vs medium: what the size labels really mean
Children's helmet sizes like small and medium are not universal. Always check the head circumference range printed inside or on the packaging. A small helmet typically fits heads around 48–52 cm, while a medium fits roughly 52–56 cm. Your child's age is a rough guide, but measuring is the only reliable method.
How to size a toddler helmet in 3 steps
- 1. Measure the head circumference: Use a flexible measuring tape. Wrap it around the widest part of the head, just above the eyebrows and ears. Write down the measurement in centimeters.
- 2. Check the helmet's size range: Look for the printed circumference range inside the helmet or on the box. If your child's measurement falls in the middle of the range, that's a good sign. If it's at the very edge, try the next size up. A helmet should sit level on the head, not tilted back. The front edge should be about one finger-width above the eyebrows.
- 3. Adjust and test the fit: Fasten the chin strap snugly so only one finger fits between strap and chin. Turn the adjustment dial at the back until the helmet feels firm but not painful. Shake your head gently — the helmet should not move independently of your child's head. Re-check the fit every few months. Toddlers grow quickly, and a helmet that fit last season may now be too small.
Helmets that make sizing easier
- Micro Scooters Children's Glossy Helmet | Small - Pink: The Micro Children's Safety Helmet, Pink features a multi-size adjustable fitting dial and protective chin pad. The dial lets you fine-tune the fit without swapping helmets, and the chin pad keeps the buckle comfortable against sensitive skin.
Micro Scooters Children's Glossy Helmet | Small - Pink - Micro Scooters Children's Matt Helmet | Medium - Red: The Micro Children's Safety Helmet, Red includes an integrated LED rear light for increased visibility and luxurious inner padding. The LED light adds visibility during evening rides, and the plush padding helps the helmet stay comfortable for longer wear.
Micro Scooters Children's Matt Helmet | Medium - Red
Which size is right for your child?
Best for
- Small helmets (approx. 48–52 cm) for toddlers aged 1–3 years or those with a smaller head circumference
- Medium helmets (approx. 52–56 cm) for children aged 3–5 years or those with a larger head circumference
Not for
- Children whose head circumference falls outside the helmet's printed range — always measure rather than guessing by age
