"It's about making an impression that people respond positively to," he adds. "If people think, 'What are they wearing that for?' you've made a mistake."
Considering that 41 percent of companies told CareerBuilder they're more likely to promote employees who dress professionally, looking sloppy, sweaty, or as though you came to work in your skivvies is one mistake you don't want to make.
This work is the opinion of the columnist, and in no way reflects the opinion of ABC News.
Michelle Goodman is a freelance journalist, author and former cubicle dweller. Her books — "The Anti 9-to-5 Guide: Practical Career Advice for Women Who Think Outside the Cube" and "My So-Called Freelance Life: How to Survive and Thrive as a Creative Professional for Hire" (October 2008) — offer an irreverent take on the traditional career guide. More tips on career change, flex work and the freelance life can be found on her blog, Anti9to5Guide.com