Breathe style into your day-to-day arsenal with a grey print crew-neck t-shirt and beige jeans. White and red athletic shoes are an easy way to give a dash of stylish casualness to this look. With the departure of winter come warmer afternoons and balmy nights and the need for a light and breezy outfit just like this one. This combo illustrates that as a 30-something guy, you have a wide range of sartorial options.