Already a customer? Click here to login. Come skate for Gotham Girls Roller Derby! All participants must be 18 years of age. Every skater is required to wear a helmet, wrist guards, elbow pads, knee pads, a mouth guard and quad roller skates. *We do not have gear to loan out.* We're sorry but this event has been reserved. Please review our calendar for another available date and time. Thank you.