Originally Posted by
Carbonfiberboy
Ski goggles over glasses if you need prescription, otherwise just the goggles.
Yeah, this scenario is specifically what ski goggles are designed to handle.
You can also buy balaclava's specifically designed to avoid fogging up your glasses / goggles to keep your head warm:
NO-FOGŪ Mask New 2016
Amazon.com: NO-FOGŪ Mask New 2016
Klim Glacier Men's Ski Snowmobile Balaclava - Black / One Size
Amazon.com: Klim Glacier Men's Ski Snowmobile Balaclava - Black / One Size