If you're looking for a casual yet on-trend ensemble, consider pairing a navy denim jacket with white jeans. When not sure about the footwear, complement this ensemble with driving shoes.
Navy Denim Jacket with Driving Shoes Outfits For Men
This pairing of a navy denim jacket and dark green shorts is proof that a safe off-duty ensemble can still look really interesting. As for footwear, introduce driving shoes to your getup.
If it's ease and practicality that you're seeking in menswear, go for a navy denim jacket and burgundy chinos. Introduce driving shoes to the equation for maximum style effect.