Details The Atomic Mentor JR ski helmet is colorful and comfy - with a cool matte finish and a grown-up, low-profile shape that's a real hit with young skiers. But importantly for parents it's also incredibly safe. The in-mold construction offers top protection with CE EN 1077 class B certification. Size adjustment allows you to fine-tune the fit so the helmet will always sit firmly on their head and the lining is removable and washable. Passive venting also ensures a constant airflow so young heads are always at the right temperature. And like all their helmets it's designed and developed in-house at Atomic. Construction In-Mold Construction: In-mold helmets are constructed directly in the mold. The EPS foam is molded into the PC shell, which results in a very safe and light construction. Fit Size adjustment system for a comfortable and safe fit. Ventilation Aircon Venting: A built-in system without adjustment. Basic but effective, it creates a constant air flow over your head all day long, keep you cool without making you freeze. Details Removable and washable Full Cap Lining CE EN 1077: 2007 CLASS B ASTM F 2040 Weight N/A Atomic Mentor Jr Ski Helmet Kids' 2021