thinkfully constructed to provide Safe guardion while fitting under a helmet, the Kids Outdoor Research Helmetclava keeps your youngsters warm in stormy conditions. WINDSTOPPER Soft Shell fabric is used where the worst of the weather hits; their face and front of the neck. Soft, insulating Motion Fleece at the back of the neck provides added warmth. Thermodynamic fabric at the crown and ear panels fits smoothly under a helmet without bulk and doesnt block sound from traveling to their ears so that they can hear you when the wind is noisy. A ventilating breathing port and breathable fabric allows body heat and the moisture of breath to escape so that they stay dry, warm, and nice for a big day in the snow.