I want to love this hat! The print (Jasmine) is beautiful! The fabric is lovely and soft! The Skida size chart plus my tape measure clearly and unambiguously place me in size S/M. HOWEVER: the fabric is so slippery/slinky that the hat will not stay in place and pops off my head. It does not stay over my ears to keep them warm, and in reality doesn't have enough vertical height to cover them very well to begin with. I have to so constantly pull the hat back in place to keep it from falling off that I can't imagine wearing it for any type of vigorous exercise. In other words, it is basically useless. I'm trying to think of a way to modify it to fix these problems, but haven't yet hit on a solution. It is very frustrating, and I am very disappointed.