Why not reach for a white and black horizontal striped crew-neck t-shirt and black jeans? These items are totally practical and will look awesome when paired together. Let your sartorial skills really shine by finishing your look with a pair of black and white canvas low top sneakers. Entirely appropriate for hot weather, you can wear a variation of this outfit throughout the summertime. And if we're talking casual fashion tips for gents over 40, this look is ideal.