Consider it your insurance policy for a day of winter fun!  The Warmest Hat is made of warm, moisture-wicking merino wool and designed to fit your boy's head, with a snug (but not tight) sizing to stay in place whatever he gets up to.  The perfect pick for cold winter days.

Shell: 50% Merino Wool/50% Acrylic
Liner: 100% Merino Wool

Sizing