Description of Giro Slingshot Ski Helmet - Junior '09 Giro's new Slingshot features their best technologies in a light and durable design. It is fast and easy to fit and features a soft and cozy interior to keep kids comfortable. With 4cm of adjustability Giro's In Form / Universal youth size provides a great fit for more seasons for fast growing kids. Features: In-Mold shell EPS liner 4 Super Cool vents ASTM F2040 compliance