Lightweight helmet with custom dial and airflow concept. The Salomon Grom is super lightweight, easy to adjust and protects your kids' heads on the slopes. The adjustable fit, durable construction and airflow concept blend together to create a helmet that kids will want to wear - which is the most important aspect after all. Adjustable fit Custom Dial ensures a comfortable and individual fit in seconds.Ventilation The Airflow concept ensures optimum climate control and the best ventilation. Lightweight The In-Mold shell design keeps the weight down for lightweight, stress-free riding fun for kids.