New Balance supplies Coco Gauff's on-court footwear and apparel as official equipment sponsor. The partnership produces co-branded product lines marketed through New Balance's retail and direct-to-consumer channels. Gauff's equipment deal gives New Balance genuine athletic credibility at the top of women's tennis, and her concurrent luxury fashion partnerships — particularly Miu Miu — give the brand cultural adjacency to fashion and lifestyle audiences that pure performance brands do not normally reach.