A new concept of a helmet, developed for brand new experiences of comfort and safety.It naturally follows the head’s shape, integrating large holes in the linear profile of the helmet to convey the airflow and maximize the performance. Specifications In-Moulding Technology shell with integrated polycarbonate frame Polycarbonate top, back and bottom ring cover LDHR (Lateral Deformation High Resistance) technology Ventilation holes: 22 Inner Pad with anti-insect net and Inter power treatment, removable and washable Nano 3D adjusting system with micro-metric wheel, adjustable with one hand, also the height is adjustable Soft, lightweight fabric strap with coated chin strap and quick-release magnetic buckle Homologation: CE EN 1078 This item is warranted to be free of defects in material and workmanship to the end consumer for a period of 7 days from the date of retail sale. This warranty applies to the original purchaser only and is non-transferable. It does not cover normal wear and tears or crash damage. Neglect and abuse will void the warranty. Any addition or modification that changes the structure and/or integrity of the item in any way voids this warranty. Size Guide Size: S/M (54 - 59cm) L/XL (59 - 61cm)