Actually, I knitted one for my father in law. It was the perfect color, even though it wasn't in wool and it knit up nicely. I used Patons Canadiana in deep orange. It really is safety orange. I also used a great watchcap pattern as well.
Here is the yarn http://store.knitting-warehouse.com/068902.html
and here is the pattern I used...
you can see pics of the one I made, on my blog.