The combo of a mustard crew-neck sweater and white jeans makes for a solid relaxed casual ensemble. Rounding off with dark brown leather derby shoes is a surefire way to infuse an added dose of refinement into your getup. So as you can see here, it's a cool, not to mention spring-ready, look to have in your transitional sartorial arsenal. As you pass the big three-oh, you want to start dressing more professionally. If that's the case, inspo like this is very useful.