Dapper yet practical, this look is assembled from a grey cardigan and a white crew-neck t-shirt. To give your overall look a more relaxed spin, why not introduce a pair of grey athletic shoes to the mix? So if it's a boiling hot summer day and you want to look seriously stylish without exerting much effort, this getup will do the job in next to no time. Perfect if you're looking for some amazingly inspiring relaxed casual style for over-30 men.