Originally Posted by
WickedOne513
Silk is also the oldest and lightest natural insulator. That is why it started out with backpackers. I don't know how it would work with riding because its so fragile that it would have to be worn loose.
I have a silk base layer that I use when riding in below freezing weather. It's thin so I don't notice the extra layer and has held up fine. I think I would use wool if it was much colder but sadly I don't have any yet.