To properly size yourself we suggest using tailors' tape, but you can also mark a length of string or a strip of paper and then measure the result.

Description
Hand Circumference
- This is the circumference of your palm at its largest point. For accuracy, measure a flat and relaxed hand.
Hand Length - Measure a straight line from the horizontal wrinkle closest to your palm (the 'bracelet line') to the tip of your middle finger.