The Petzl Picchu Climbing/Cycling helmet meets European and U.S. standards for climbing and biking so your little adventurer can enjoy the outdoors in multiple ways.Helmet is specifically sized for children between 3 and 8 years with a head circumference of 48 - 54cm (18.9 - 21.3 in.)Expanded polystyrene liner absorbs impacts; injection molded ABS plastic shell is lightweight and durableInterior headband adjusts for a secure, comfortable fit; chin strap position adjusts forward and back and the side-release buckle is positioned off to the side for comfortSide openings promote ventilation; interior foam padding is removable and washableHelmet includes 3 pages of stickers so your kids can personalize their helmets, including 1 page of reflective stickers to help increase nighttime visibilityRear mount accepts a Petzl Signal LED light (sold separately)4 clips let you attach a headlamp (sold separately)Petzl Picchu Climbing/Cycling helmet is not compatible with the Petzl Vizion face shield Please note: Petzl products can only be shipped to U.S. addresses.Imported. Item 850336