Van Helden went as Sherlock Holmes last year -- complete with tweed and his pants tucked into his socks . During This year men grow mustaches to raise money for men 's health issues . Movember , a nonprofit group , lays out specific rules on how to maintain your mustache . America , Chicago 's most mustache-friendly city , will hold the second annual ' Michael Erickson .
During This year men grow mustaches to raise money for men 's health issues . Movember , a nonprofit group , lays out specific rules on how to maintain your mustache . America , Chicago 's most mustache-friendly city , will hold the second annual ' Michael Erickson .