Fit & Design: Sized for children between the ages of 3 - 8 (48cm - 54cm headband) Adjustable headband and chin strap Hard ABS outer shell is impact and scratch resistant for optimal durability Sheet of stickers allows the outer helmet to be personalized Side openings for ventilation Narrow webbing straps offer improved comfort Headlamp can be attached using the 4 optimally placed clips Comfort foam is removable and washable Climbing & Cycling Standards: Climbing: CE EN 12492, UIAA European Cycling: CE EN 1078 U.S. Cycling: CPSC Safety Standard - Cycling helmets for children 5 and older Designed in accordance with Petzl's Top and Side Protection Label Head-covering design for enhanced protection against lateral, frontal, and rear impact