We have an awesome tool you can use to find the right size for you! To get started, click the link "Find your size" just below the price on the product page. Enter your details, your measurements, and your desired fit to see your recommended size.
Not sure how to measure your body? You can find everything you need to know here: How to measure your body
It can also be a good idea to check out the product reviews to see what other customers think. Scroll down on the product page until you reach "Reviews".