If the situation permits an off-duty menswear style, you can easily go for a burgundy crew-neck sweater and chinos. A cool pair of blue slip-on sneakers ties this getup together.
Blue Slip-on Sneakers with Chinos Casual Outfits
Why not marry a grey crew-neck sweater with chinos? Both of these pieces are totally practical and will look cool worn together. Blue slip-on sneakers finish off this look quite well.