Ed Levin Collection for Men includes items that have been chosen to make shopping easy for men. These items are styled and sized with men in mind. To measure for an Expandable Bracelet hold your hand out straight with your thumb tucked under your palm as if you were putting on a bangle bracelet. Measure around your hand over the thumb knuckle. This is the measurement to use when ordering an Expandable Ed Levin Bracelet. If you have any questions about sizing please email us at firstname.lastname@example.org.