For an outfit that's very easy but can be dressed up or down in a myriad of different ways, go for a shearling coat and a white dress shirt. Black leather monks are the most effective way to inject an added dose of elegance into this ensemble. As a 30-something gent, you probably want to start dressing with more refinement. In this case, inspo like this comes in very handy.
White Dress Shirt with Shearling Coat Outfits For Men In Their 30s
This semi-casual pairing of a shearling coat and a white dress shirt is extremely easy to pull together in seconds time, helping you look on-trend and prepared for anything without spending a ton of time digging through your closet. Incredibly stylish, this combination is also totally age-appropriate for a 30-something.