We operate in good faith,with customer satisfaction as our objective. Welcome to buy! Smith Sport Optics sets the standard for high performance sunglasses, goggles and helmets. Smith innovations include the patented Regulator lens ventilation system, distortion-free Tapered Lens Technology, and the versatility of the Slider Series. is synonymous with innovative and top-quality products in the eyewear, goggle and helmet markets.The year-round Holt Jr. helmet incorporates a new adjustable Dial Fit System for a perfect fit. Bombshell construction Airevac ventilation New adjustable Dial Fit System (DFS2) Airflow climate control 14 vents Bombshell ear pads Removable goggle lock All-season use Helmet sizing: new Dial Fit System (DFS2) + youth small 48-53 cm + youth medium 53-58 cm Certification: ASTM F 2040, CE EN 1077:2007 class B, CPSC, CE EN 1078 Weight: 19 oz / 550 grams 2015 model Just For You online shopping store has been dedicated to the sale of household goods and electronic products.Our warehouses are located in the US WA with convenient traffic.We are committed to selling high quality products and sell well all over the world.Besides,we will give the best product consultation and after-sales service to customers.Please feel free to contact us if you are interested in our products. We will try our best to meet your requirements!