The Arai Quantic Diamond Black Helmet boasts a sleek and stylish design with advanced features to provide superior protection and comfort to the rider. The outer shell is constructed with PB e-cLc 4, and it has a Variable Axis System (VAS) that provides maximum protection to the head. The helmet is equipped with front ventilation, including a 3D Arai logo duct, dual intake, brow vents, and a three-position chin vent. The rear ventilation system includes a neck exhaust vent, side exhausts, and a one-piece rear exhaust with spoiler function for enhanced aerodynamics. The helmet features a VAS Max Vision Visor with a De-Mist option, a new shield latch lever, and an optional PRO Shade System. A Pinlock insert lens is also included to prevent fogging on the visor. The interior of the helmet is lined with brushed nylon material that is replaceable and washable, and it also features speaker pockets and Arai’s Facial Contour System (FCS) for maximum comfort and fit. The helmet also has an Emergency Release System (ERS), a breath guard, a fixed chin cover, a 5mm wider base, and intercom accommodation. The Arai Quantic Diamond Black Helmet is approved under ECE R22-06. Features Outer shell PB e-cLc 4 Variable Axis System (VAS) Front ventilation 3D Arai logo duct Dual intake Brow vents Three position chin vent Rear ventilation Neck exhaust vent One-piece rear exhaust with spoiler function Side exhausts Aerodynamics One-piece rear exhaust with spoiler function Visor VAS Max Vision Visor with De-Mist option New shield latch lever PRO Shade System (option) Pinlock insert lens Interior Brushed nylon Liner material Replaceable Cheek Pads/Ear cups Replaceable Interior Speaker pockets Facial Contour System (FCS) 5mm "Peel Away" Temple pad Comfort Emergency Release System (ERS) Breath guard Chin cover (fixed) 5mm wider Base Intercom accommodation Neckroll wire pocket Approval ECE R22-06 Size Guide Arai Measurement Advice: Start with measuring your head to get an idea of the size to look for: measure (in cm) the circumference across the forehead, above the eyes and ears and over the small bump at the back of the head, read the size where the tape joins. Helmet Size XS S M L XL 2XL Head Circumference (cm) 53 - 54 55 - 56 57 - 58 59 - 60 61 - 62 63 - 64
