To create a casual ensemble with a modernized spin, consider pairing a navy blazer with blue ripped skinny jeans. And if you need to effortlessly lift up your outfit with one piece, why not introduce a pair of chelsea boots to the mix? While dressing for the winter season can be a bit of a challenge, getups like this one make you feel inspired. Wondering how to master casual outfits as you reach your 30s? This combination is the perfect answer.