This casual combo of a grey crew-neck t-shirt and navy skinny jeans is very easy to put together without a second thought, helping you look cute and prepared for anything without spending a ton of time searching through your closet. And if you want to effortlessly up the ante of this look with a pair of shoes, why not choose a pair of mules? No doubt, it's easier to work through a warm summer afternoon in a cool combination such as this one.