Solid proof that a tan cardigan and grey dress pants are amazing when teamed together in a polished outfit for today's gentleman. A pair of brown suede loafers can integrate smoothly within plenty of outfits. This combination is a great pick come warmer days. As you're transitioning from your 20s to your 30s, you want to start dressing maturely. If that's the case, combos like this are a solid bet.