This combo of a grey crew-neck t-shirt and blue jeans is clean, on-trend and extremely easy to recreate. And if you wish to easily rev up this ensemble with one item, add a pair of tan chelsea boots to the equation. As hot sunny weather settles in, it's time for easy and breezy combos like this one. So if you need style inspo for dressing as you cruise through your 20s, this combination is an amazing example.