Our best-selling helmet for small children just got even better! With a fully revised exterior and adapted features, the Smiley 3.0 ACE LED enters a new era. The deep fit and visor-like front edge offers additional protection for a child's head. The helmet can be easily adjusted to the circumference of the head via the height-adjustable adjustment system - both in width and height at the back of the head. Another advantage of the height-adjustable adjustment system is for children with long hair, as this can make room for a ponytail. This stops the adjustment wheel from pressing annoyingly on a. DEEP FIT: Bike helmet for children with good protection for the neck and temple area and a visor-like front edge to protect the face SIZE ADJUSTMENT: adjustment wheel for a good fit - by turning the adjustment wheel, the head-enclosing ring inside the helmet adjusts to the head circumference FOR PLAITS: height-adjustable adjustment system at the back of the head can create enough space for a plait - ideal for children with long hair LED LIGHT: rechargeable LED rear light (with USB) & reflectors on the child's helmet ensure greater visibility in road traffic GOOD VENTILATION: 4 air inlets and 4 air outlets in the helmet ensure that the child does not sweat too much - fly nets in the air inlets keep insects out PRODUCT DETAILS: Unisex children's bike helmet for the little ones - incl. chin pad - size in centimetres corresponds to the wearer's head circumference