Why not try pairing a beige cardigan with chinos? Both pieces are super comfortable and will look nice when matched together. Add a pair of burgundy leather casual boots to the equation for extra style points. Your late twenties is the time to start dressing more maturely. And it's easy with visual examples like this.
Combining a beige cardigan and chinos is a guaranteed way to infuse elegance into your daily collection. Tan suede loafers will add a sophisticated aesthetic to the ensemble. As you're getting to your 30s, you want to start dressing more maturely. In this case, getups like this are a goofproof option.
For a look that's very simple but can be smartened up or dressed down in a variety of different ways, pair a beige cardigan with chinos. Beige suede casual boots act as the glue that brings this getup together. This combo should erase any doubts you had about sleeker combos in your mid-20s.