A black and white horizontal striped crew-neck t-shirt and olive chinos are essential menswear items, without which our wardrobes would be incomplete. Ramp up the cool of this getup by wearing a pair of black leather chelsea boots. Can you see how super easy it is to look seriously stylish and stay comfortable when chillier days are here, thanks to this outfit? So if you need fashion inspo for dressing as you turn 30, this pairing is ideal.