It has been hard to find comfortable masks that fit my med/small face. Since most N95 masks come only in Large, I decided to try KF 94 masks. I first tried ComaComa (dark blue) and once I figured out how to knot the earloops to give a leak-free seal and comfortable fit, I felt pretty good with them. However, they have a noticeable resistance to breathing. I decided to try Bluna FaceFit when I read good reviews that found the adjustible ear-loops handy and overall fit and comfort very good. I haven’t found the adjustable ear-loops that useful and the seal on my face is not as good as Coma Coma. Breathability is about the same for both masks- okay if you are sitting still, but not great if you are climbing a hill or walking fast.