We've used Bullet protection products since starting our skate club years ago, so they have been tried and tested thousands of times.
We'd highly recommend these for starters & Intermediate skaters of all ages.
One size fits all Bullet Youth Helmets come with a selection of inner padding of different widths which Velcro in and out allowing you to adjust to head size and shape. 
Features: 
- Sizing : 49-54cm - Junior
 - Shell: High density ABS injection moulded
 - Liner: EPS polystyrene foam
 - Ventilation: 12 vent cooling system
 - Inner padding: 3 piece removable and washable
 - Pads included 9mm, 6mm & 3mm
 - Safety certificate: CE EN 1078