Thermarate them.
Columbia's Thermarator Beanie boosts their cold days with wonderful warmth whether they're skiing or walking to school. Omni-Heat's thermal reflective lining uses silver dots to mirror their heat back to them.
MTR filament fleece
Omni-Heat thermal reflective lining
Item #COL00F3
Material: MTR polyester filament fleece, [lining] Omni-Heat thermal reflective
Recommended Use: winter casual, skiing, snowboarding
