Looking at the size chart on the website, the glove sizing appears to be a unisex one.
A size 7 equates to a small.

Gloves are the same as clothing in that a lot of brands will vary in size.
Without knowing what brand you are interested in... I can't advise on a chart.
However you could check out a general glove size guide on the below link:
http://d136nqpz68vrmx.cloudfront.ne...