For attending the US Open tennis tournament, there is no strict official dress code for spectators, but it is recommended to dress stylishly and comfortably, reflecting a refined, sporty-chic look. Key suggestions include:

• Footwear: Comfortable shoes such as sneakers are essential since you will be walking around the stadium; white sneakers inspired by tennis are especially fitting

. Avoid sandals, flip-flops, or open-toed shoes, as footwear must be worn at all times

• Clothing: Polished yet comfortable outfits work best. Options include polo shirts, crisp white pants, stylish denim shirtdresses, pleated tennis skirts, and breathable tops like silk-cashmere blend polos

. Layering with lightweight sweaters or blazers is advisable for cooler weather

• Accessories: Sunglasses and wide-brimmed hats are recommended for sun protection

. Keep your outfit neat and presentable, avoiding gym clothes, tank tops, or clothing with holes

For the US Open golf championship, the dress code is more formal and traditional, especially at venues like the Los Angeles Country Club:

• Men: Slacks or golf pants (preferably in neutral colors like khaki or beige), collared or polo shirts, and closed-toed shoes such as golf shoes or sneakers

• Women: Skirts, skorts, dress shorts, or slacks paired with blouses or polo shirts; closed-toed shoes or flats are preferred

• Prohibited attire: Denim, shorts, gym clothes, leggings, tank tops, sandals, flip-flops, and clothing with slogans or holes are not allowed

• Additional tips: Wearing a wide-brimmed hat for sun protection and carrying a crossbody bag for essentials is practical

In summary, for the US Open tennis event, opt for chic, comfortable, and sun- protective attire with sneakers, while for the US Open golf, adhere to a neat, business-casual style with collared shirts and appropriate golf footwear