The Smith Survey Jr. helmet matches the latest impact protection of Mips® and Zonal KOROYD® with our Grow With Me dual-stage liner system. An integrated visor simplifies goggle wear and provides distortion-free clarity. The helmet is lined for comfort, the fit is dial-adjustable, and the visor is over-the-glasses compatible. Product Details Protection Lightweight in-mold construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable Zonal KOROYD® coverage for lightweight, energy-absorbing and ventilated impact protection Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head Certification: ASTM F 2040, CE EN 1077:2007 CLASS B Fit / Integration Grow With Me dual-stage liner system adapts to growing kids Adjustable dial fit for easy, on-the-go size adjustment Regulator climate control also allows easy, one-handed vent adjustment Integrated visor for a wide field of view with distortion-free clarity Designed to fit over your glasses (OTG) Features 14 vents Plush, fuzzy lining adds warmth and comfort Youth-specific, removable Snapfit SL2 ear pads add warmth Weight (Size M, Mips®): 25 oz / 700 g