Finally found the “perfect” combination - more on that later. But, looking for an encasement for 11" of latex layers - 3x3" and an additional 2" layer. Any suggestions? Would prefer wool/cotton with a zipper. Any info or links or advice is welcome. Thanks.
Hi Bliss03,
Welcome to the Mattress Forum! 
You can scroll down in the component post here and there are many different vendors listed for mattress covers.
Phoenix