Neff learned that no company sold sponsored woolen hats, a critical piece of clothing to keep snowboarders warm during competitions.

FORBES: The Cool Factor Business Model

We just used a finger inside the collar of their clothing to check how warm they were.

BBC: Napping in a hutch and other tales of outdoor snoozing

Passengers are also being advised to wear warm clothing, to ensure mobile 'phones are fully charged and to carry a hot drink with them in case of unforeseeable delays.

BBC: Snowfall prompts travel warning

Rain gear and warm clothing are also recommended, since temperatures at night can drop near freezing and rain is always a possibility.

BBC: Climbing to the top of the Philippines