Possible Clues:

• That'll help them keep cool heads
• Beside the Poles these look really cool on ahead
• Cold peaks, flipping ___ cold one
• The ends of the earth
• Covers that won't warm you up
• Polar masses
• Cold areas? One cold area turning up here
• Room 101 all about wet blankets
• Their melting is cause for concern
• Very cold types in top positions