When you’re buying a new ski helmet, be sure to check it fits and sits comfortably when you’re wearing it as otherwise, it won’t provide you with maximum protection. Ideally, you want it to fit tightly, but not pinch, says a German consumer advisor. Helmets can protect you as long as they don’t slip when your head wobbles, even without the chin strap being fastened. Pay close attention to the helmet’s weight, adjustment options and temperature control as well. Can you fix the chin strap and the sliders for ventilation easily even if you’re wearing your gloves? Plus, if you regularly wear your …