It’s amazing what a thin layer of superfine merino will do under a helmet. It can help keep it cleaner, your head warmer (and cooler in hot conditions) and generally more comfortable
Smartwool dropped this item so I went to Icebreaker who have now dropped theirs. Smartwool have brought theirs back. Geez!
After a lot of stuffing about I've decided that we should simply make these ourselves.
Now with a classy orange stitching.
One Size - fits all but the very biggest melons.