Coco Gauff's Must Haves: From a Fruit Smoothie to a Squishmallow

"I always have a pair of headphones with me," Gauff says, and her favorites are the Bose QuietComfort Ultra Headphones ($349, originally $429). These headphones offer noise cancellation, comfort, and a sleek aesthetic. "I love listening to music and blocking out noise, so having a good pair of headphones is essential for me, especially with all the traveling I do," the tennis pro adds.