Features Premium Protection Keep your head covered in this snow helmet as you carve the mountain on your skis or snowboard. Fully formed ABS outer shell with high quality EPS foam to ensure safety on impact. Breathable Design The Kelvin II ski helmet's 14 air vent holes work harmoniously to ensure effective ventilation, Purposefully designed ventilation apertures shield you from freezing winds Adjustable Fit Kelvinll's snow helmet features a removable lining, detachable earmuffs, and a soft chin band, providing a snug and warm experience. The adjustable dial allows you to tailor the fit to perfection. Its lightweight design and user-friendly features alleviate head pressure, ensuring a delightful and comfortable snowy adventure. Choose Your Size To determine the correct helmet size, wrap a measuring tape around your head. The tape should rest just above your ears and remain level around the circumference of your head