This model has an adjustable attachment at the back.

Every child has their own head size, regardless of age. The best indicator to choose your size is therefore the head circumference (in cm). Refer to the information below:

• Size 9-18 months : head circumference between 44 and 48 cm.
• Size 2-5 years : head circumference between 48 and 52 cm.
• Size +6 years : head circumference between 52 and 56 cm.
• Mom/Dad: head circumference 56-58 cm.