It seems that EIS is now making their sun shirts in a Youth size which are $20 cheaper than the Women's sizes. But it is only one single size - i.e., it is NOT a Youth S, M or L. Just one Youth size?. Has anyone purchased this Youth size and can you compare it to a Women's XS?
Get a Women's or the arms will be too short on you, unless you have midget arms. I believe the youth is probably going to be more like a kids medium since I know a lot of pony kids have trouble being too small for a xs.