For a relaxed look, Go for a bomber jacket and grey check culottes. For footwear, you could stick to the classic route with a pair of white ankle boots.
White Ankle Boots with Bomber Jacket Smart Casual Outfits In Their 20s
Want to infuse your closet with some casual chic? Wear a bomber jacket with violet sweatpants. For something more on the smart side to complete your ensemble, introduce a pair of white ankle boots to this outfit.