Smith Holt Junior Helmet The Smith Holt Junior helmet comes with all-season certification, so you can use one helmet to protect you from terrain park to skate park. It holds up under the knocks of everyday life thanks to Smith's bombshell construction. Smith's Air-Evac system keeps the air flowing and your goggles fog-free. Add the audio with drop ins of your tunes to create an inspired sessions, or remove the ear pads for room to breathe during the warmer seasons.Advanced ABS construction for increased impact protection and all-around durabilityDual certification all-season useCertification: ASTM F 2040, CE EN 1077:2007 CLASS B, CPSC, CE EN1078 Style: JUNIOR HELMET Features for the Holt Junior Helmet Construction: 14 fixed vents for consistent airflow Venting: Removable goggle strap lock for streamlined shell when goggles are worn under helmet Outdoor Tech™ audio system compatible Fit System: Weight (Size M): 19 oz / 550 g