The Wall Street Journal launched its seasonal "Off Duty 50" over the weekend, filled with tons of great info, advice and gear for the coming months. And we particularly liked their ode to the khaki suit. "This staple of callow preppy spring style is all grown up and ready to take on a more professional agenda," writes Jacob Gallagher. He checks in with some of our favorite menswear insiders for tips and ideas on how to wear the cotton suit so you look sharp but still relaxed. Especially once the warmer weather hits.