If the situation allows off-duty dressing, you can easily dress in a navy parka and a grey crew-neck sweater. Put a different spin on your outfit by rounding off with tan suede casual boots.
Grey Crew-neck Sweater with Navy Parka Outfits For Men
A navy parka and a grey crew-neck sweater are absolute menswear staples if you're putting together an off-duty closet that holds to the highest style standards.