The helmet features a matte dome and an aerodynamic design. Adjustable ventilation system that creates optimal and adjustable air flow. Quilted ear muffs. Detachable interior lining with adhesive straps. Adjustable chin strap with quick release snap and size adjustment system. Equipped with RECCO®* technology to help rescue professionals find you in case of an accident, avalanche, or getting lost in difficult-to-reach areas. Includes mini bag. Designed for a panoramic view with S2 lens. 100% UV 400 protection. Comfort that adapts to the face without pressure. *For more information about RECCO® technology, please visit their website: www.recco.com