The legendary A1 MIPS® Youth Helmet is Troy Lee Designs' all-mountain MTB helmet for those seeking a lightweight helmet with excellent fit, superior safety, and high wearing comfort. Whether tackling single tracks, dirt riding, or logging countless miles on the XC bike, the A1 MIPS® is the perfect companion. Equipped with a fiber-reinforced outer shell, MIPS® system (which reduces rotational forces on the head during angled impacts), and an EPS inner shell, it offers comprehensive protection in the event of an accident. The Hi-Flow cooling system with 16 air vents ensures excellent ventilation, while the ultra-soft comfort head padding is removable and washable. The Quick-Dry function further enhances comfort, and adjustable flip-buckle strap dividers allow customization for different head shapes. Outer shell: 100% Polycarbonate. Inner shell: 100% expanded polystyrene (EPS). Liner: 100% Polyester. Exceeds certifications: CPSC 1203, CE EN 1078, AS / NZS 2063.