For an outfit that's super easy but can be dressed up or down in a ton of different ways, consider teaming a grey horizontal striped crew-neck t-shirt with charcoal dress pants.
Grey Horizontal Striped Crew-neck T-shirt with Charcoal Dress Pants Outfits For Men
For something on the semi-casual side, you can wear a grey horizontal striped crew-neck t-shirt and charcoal dress pants. Go ahead and complement this look with a pair of black suede loafers for an added dose of class.