From SFBC:

Do you love wearing dark clothing? Are you a night time bike rider? Drop by this free clothing reflectorization event on your way home, or before or after the SF Bicycle Coalition Service Station. Add a bit of reflection to your outfit and help you become more visible without sacrificing your style. Brought to you by SF Bicycle Coalition members Cheryl Brinkman and Nancy Botkin. Contactnancy@nancybotkin.com for more info