Infuse an off-duty touch into your day-to-day outfit choices with a grey print crew-neck t-shirt and grey jeans. Feeling bold today? Jazz things up by slipping into a pair of black leather chelsea boots. As you can see, it's very easy to look awesome and stay comfortable when chillier weather arrives, thanks to this look. Wondering what clothing is appropriate as you work your way through your 20s? This combination is a practical illustration.