When you're outdoors in the winter, you need a trusty hat to keep you cosy. The smart Thinsulate Acrylic Hat will do the job. It comes with a Thinsulate lining to lock in warmth and a comfortable stretch fabric that creates a convenient one size that fits all.
Acrylic knit with Thinsulate lining
Thinsulate: Soft, compressible Thinsulate insulation produced by 3M