For an outfit that's pared-down but can be modified in many different ways, pair a denim jacket with beige shorts. Super cool and entirely summer-appropriate, you can wear a variation of this ensemble throughout the season.
Beige Shorts with Denim Jacket Summer Outfits For Women In Their 30s
This combination of a denim jacket and beige shorts is definitive proof that a safe casual look can still look really interesting. Perfect for hot weather, this getup will gain quite a few likes on the 'gram too.