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. *For more information about RECCO® technology, please visit their website: www.recco.com