A black long sleeve t-shirt and black chinos are great menswear staples that will integrate well within your off-duty lineup. For footwear, you could take a more casual route with a pair of charcoal high top sneakers.
Black Long Sleeve T-Shirt with Charcoal High Top Sneakers Outfits For Men
This pairing of a black long sleeve t-shirt and black ripped jeans is impeccably stylish and yet it's laid-back enough and ready for anything. When in doubt as to the footwear, go with a pair of charcoal high top sneakers.