What's BFL?

One of the finest of the longwool breeds, Blue-faced Leicester is soft, long, and semilusterous. BFL fiber will tend to get a lot of “touch time” outside of spinning. It just wants to be rubbed on your cheek.

More technical info:
Bradford Count: 60s-56s
Micron Count: 24-28
Staple Length: 3-6

--Snazzy info from International Fleeces