A white henley sweater and navy chinos are essential in any modern gentleman's versatile off-duty arsenal. Finishing off with white leather low top sneakers is a surefire way to infuse a dose of stylish effortlessness into this ensemble. So as you can see, it's super easy to look seriously stylish and stay warm come chillier days, thanks to this getup. Wondering how to dress as you go into your 30s? This combination is a vivid example.