This combo of a dark green crew-neck sweater and a long sleeve shirt is put together and yet it's practical enough and ready for anything. A great pair of black leather chelsea boots is a simple way to transform this getup. Picking out a standout combination can be a bit of a challenge on its own. Add subzero temperatures into the equation, and the whole thing becomes even more difficult. Luckily, this here is your wintry outfit inspo. Wondering what clothing is appropriate as you go into your 30s? This combo is the perfect answer.