A semi-casual pairing of a waistcoat and jeans can keep its relevance in plenty of settings. For a more laid-back vibe, add a pair of dark brown leather brogue boots to the equation. Also, it's a solid getup if you want to blend in with a more mature crowd.
Waistcoat with Jeans Smart Casual Cold Weather Outfits In Their 20s
So as you can see, looking casually sleek doesn't require that much effort. Opt for a waistcoat and jeans and be sure you'll look amazing. Complete this ensemble with dark brown leather chelsea boots for extra fashion points. How's that for style inspiration for dressing in your twenties?