My experience with ticking comes down to Hobby Lobby. Thickness is dependent on the color, blue is the thinnest followed by tan then red as the heaviest. There are many ticking materials that are actually not ticking at all, which with JF I'd be cautious buying it online unless I could see it, they have numerous "imposters" that are actually faux striping on thin cotton, yet they do have the real deal as well just may get a little more confusing. All my ticking comes from HL which is 100% true ticking, never came across anything fake from them. Outside those three colors I'm not sure what their weight is since I have only ever used blue, tan and red.
Blue is what you want, my last yard came in at .13
Also check Wally world, I got lucky and found a bolt on clearance, 100% blue ticking.