Jesse Garza and Joe Lupo, co-authors of Nothing to Wear?, share their expert advice for finding the perfect pair of khakis. Although khakis are a classic fashion basic, Jesse and Joe say there are certain things you should avoid at all costs—steer clear of khakis with a high-waist, tapered legs and pleats. Think khakis have to be 100 percent cotton? Not so, according to Jesse, who says a little stretch is the key for killer khakis.