Here's another option - I've purchased wool battings from here for quilts ... the process they use for their wool is unique and results in wool that is used successfully by people who have wool allergies. Turns out that the allergies are usually to the chemicals in the treating processes not the wool itself.
Check out the mattress pad....
http://cedarviewfarms.org/index-10.html
I've met her personally, use her products, am happy to recommend them. And she's done presentations for our guild :)