- In-Fusion construction
- 11 vents
- Twist adjust retention system
- Washable pads
- CPSC approved
In-Fusion construction 11 vents Twist adjust retention system Washable pads CPSC approved Lifetime crash replacement policy. X-Small (48-52cm 18-3/4 to 20-1/2). Small/Medium (52-56cm 20-1/2 to 22-3/4).