In theory, women can wear a flat cap to Royal Ascot. The only specified rule is that hats worn in the Royal Enclosure must have a base of 4in (10cm) in diameter (so no fascinators, please).
Wear with: Cap toe pumps, low profile sneakers, knee-high boots, or strappy flat sandals The long denim skirt is a closet staple that can be worn in any season. Like a good pair of jeans ...