For a never-failing off-duty option, you can rely on this combination of an olive camouflage long sleeve shirt and charcoal chinos. You can get a bit experimental with footwear and complete this outfit with a pair of brown suede loafers.
Olive Camouflage Long Sleeve Shirt with Brown Suede Loafers Smart Casual Outfits For Men
When the setting allows a casual outfit, go for an olive camouflage long sleeve shirt and khaki chinos. Jazz up your outfit with a smarter kind of shoes, like these brown suede loafers.