SPECS: Specifically designed for Smith goggle integration Equipped with 12 vents to keep your head cool Comes with removable ear pads that provide audio-compatibility and warmth Adjustable dial for vent modifications DESIGN & TECHNOLOGY: The Vida helmet was designed to perfectly fit your Smith goggles while offering a fog-free experience AirEvac™ ventilation system delivers cool air into the helmet while pulling out warm air responsible for annoying goggle fog VaporFit Snow™ adjustment system offers 270-degree fit modifications with a simple turn of a dial XT2® antimicrobial lining keeps odor under control SIZING: We recommend you try helmets on before buying. Make sure the helmet fits with a little room when the fit system is loose, and sits low enough to protect your child’s forehead without hindering vision. Once you’ve got the right size, you can adjust the fit. Style: E0051129Z5155